Home / 475,020.24-712,513.08-142,587.60

Finding the Fourth Proportional to 475,020.24, 712,513.08 and 142,587.60

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Solution

The fourth proportional to 475,020.24, 712,513.08 and 142,587.60 is: 213,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,020.24 : 712,513.08 = 142,587.60 : x
  2. Step 2: Convert to fraction form
    475,020.24/712,513.08 = 142,587.60/x
  3. Step 3: Cross multiply
    475,020.24x = 712,513.08 × 142,587.60
  4. Step 4: Simplify right side
    475,020.24x = 101,595,530,045.81
  5. Step 5: Solve for x
    x = 101,595,530,045.81/475,020.24
  6. Step 6: Final answer
    x = 213,876.21

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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.