Home / 284,577.22-392,701.14-157,244.61

Finding the Fourth Proportional to 284,577.22, 392,701.14 and 157,244.61

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Solution

The fourth proportional to 284,577.22, 392,701.14 and 157,244.61 is: 216,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,577.22 : 392,701.14 = 157,244.61 : x
  2. Step 2: Convert to fraction form
    284,577.22/392,701.14 = 157,244.61/x
  3. Step 3: Cross multiply
    284,577.22x = 392,701.14 × 157,244.61
  4. Step 4: Simplify right side
    284,577.22x = 61,750,137,605.86
  5. Step 5: Solve for x
    x = 61,750,137,605.86/284,577.22
  6. Step 6: Final answer
    x = 216,989.04

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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.