Home / 156,428.55-215,855.19-96,001.74

Finding the Fourth Proportional to 156,428.55, 215,855.19 and 96,001.74

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Solution

The fourth proportional to 156,428.55, 215,855.19 and 96,001.74 is: 132,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,428.55 : 215,855.19 = 96,001.74 : x
  2. Step 2: Convert to fraction form
    156,428.55/215,855.19 = 96,001.74/x
  3. Step 3: Cross multiply
    156,428.55x = 215,855.19 × 96,001.74
  4. Step 4: Simplify right side
    156,428.55x = 20,722,473,828.03
  5. Step 5: Solve for x
    x = 20,722,473,828.03/156,428.55
  6. Step 6: Final answer
    x = 132,472.45

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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.