Home / 389,417.10-584,125.65-167,801.10

Finding the Fourth Proportional to 389,417.10, 584,125.65 and 167,801.10

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Solution

The fourth proportional to 389,417.10, 584,125.65 and 167,801.10 is: 251,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,417.10 : 584,125.65 = 167,801.10 : x
  2. Step 2: Convert to fraction form
    389,417.10/584,125.65 = 167,801.10/x
  3. Step 3: Cross multiply
    389,417.10x = 584,125.65 × 167,801.10
  4. Step 4: Simplify right side
    389,417.10x = 98,016,926,608.22
  5. Step 5: Solve for x
    x = 98,016,926,608.22/389,417.10
  6. Step 6: Final answer
    x = 251,701.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.