Home / 284,179.39-392,165.05-156,852.25

Finding the Fourth Proportional to 284,179.39, 392,165.05 and 156,852.25

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Solution

The fourth proportional to 284,179.39, 392,165.05 and 156,852.25 is: 216,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,179.39 : 392,165.05 = 156,852.25 : x
  2. Step 2: Convert to fraction form
    284,179.39/392,165.05 = 156,852.25/x
  3. Step 3: Cross multiply
    284,179.39x = 392,165.05 × 156,852.25
  4. Step 4: Simplify right side
    284,179.39x = 61,511,970,463.86
  5. Step 5: Solve for x
    x = 61,511,970,463.86/284,179.39
  6. Step 6: Final answer
    x = 216,454.72

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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.