Home / 284,078.28-392,029.14-156,757.56

Finding the Fourth Proportional to 284,078.28, 392,029.14 and 156,757.56

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Solution

The fourth proportional to 284,078.28, 392,029.14 and 156,757.56 is: 216,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,078.28 : 392,029.14 = 156,757.56 : x
  2. Step 2: Convert to fraction form
    284,078.28/392,029.14 = 156,757.56/x
  3. Step 3: Cross multiply
    284,078.28x = 392,029.14 × 156,757.56
  4. Step 4: Simplify right side
    284,078.28x = 61,453,531,435.30
  5. Step 5: Solve for x
    x = 61,453,531,435.30/284,078.28
  6. Step 6: Final answer
    x = 216,326.05

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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.