Home / 284,180.69-392,167.22-156,856.25

Finding the Fourth Proportional to 284,180.69, 392,167.22 and 156,856.25

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Solution

The fourth proportional to 284,180.69, 392,167.22 and 156,856.25 is: 216,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,180.69 : 392,167.22 = 156,856.25 : x
  2. Step 2: Convert to fraction form
    284,180.69/392,167.22 = 156,856.25/x
  3. Step 3: Cross multiply
    284,180.69x = 392,167.22 × 156,856.25
  4. Step 4: Simplify right side
    284,180.69x = 61,513,876,757.01
  5. Step 5: Solve for x
    x = 61,513,876,757.01/284,180.69
  6. Step 6: Final answer
    x = 216,460.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.