Home / 356,001.28-534,053.76-106,702.72

Finding the Fourth Proportional to 356,001.28, 534,053.76 and 106,702.72

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Solution

The fourth proportional to 356,001.28, 534,053.76 and 106,702.72 is: 160,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,001.28 : 534,053.76 = 106,702.72 : x
  2. Step 2: Convert to fraction form
    356,001.28/534,053.76 = 106,702.72/x
  3. Step 3: Cross multiply
    356,001.28x = 534,053.76 × 106,702.72
  4. Step 4: Simplify right side
    356,001.28x = 56,984,988,818.23
  5. Step 5: Solve for x
    x = 56,984,988,818.23/356,001.28
  6. Step 6: Final answer
    x = 160,069.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.