Home / 286,858.53-430,285.05-174,570.66

Finding the Fourth Proportional to 286,858.53, 430,285.05 and 174,570.66

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Solution

The fourth proportional to 286,858.53, 430,285.05 and 174,570.66 is: 261,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,858.53 : 430,285.05 = 174,570.66 : x
  2. Step 2: Convert to fraction form
    286,858.53/430,285.05 = 174,570.66/x
  3. Step 3: Cross multiply
    286,858.53x = 430,285.05 × 174,570.66
  4. Step 4: Simplify right side
    286,858.53x = 75,115,145,166.63
  5. Step 5: Solve for x
    x = 75,115,145,166.63/286,858.53
  6. Step 6: Final answer
    x = 261,854.32

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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.