Home / 284,111.26-392,062.08-156,785.20

Finding the Fourth Proportional to 284,111.26, 392,062.08 and 156,785.20

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Solution

The fourth proportional to 284,111.26, 392,062.08 and 156,785.20 is: 216,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,111.26 : 392,062.08 = 156,785.20 : x
  2. Step 2: Convert to fraction form
    284,111.26/392,062.08 = 156,785.20/x
  3. Step 3: Cross multiply
    284,111.26x = 392,062.08 × 156,785.20
  4. Step 4: Simplify right side
    284,111.26x = 61,469,531,625.22
  5. Step 5: Solve for x
    x = 61,469,531,625.22/284,111.26
  6. Step 6: Final answer
    x = 216,357.25

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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.