Home / 156,785.62-235,175.03-38,457.54

Finding the Fourth Proportional to 156,785.62, 235,175.03 and 38,457.54

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Solution

The fourth proportional to 156,785.62, 235,175.03 and 38,457.54 is: 57,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785.62 : 235,175.03 = 38,457.54 : x
  2. Step 2: Convert to fraction form
    156,785.62/235,175.03 = 38,457.54/x
  3. Step 3: Cross multiply
    156,785.62x = 235,175.03 × 38,457.54
  4. Step 4: Simplify right side
    156,785.62x = 9,044,253,123.23
  5. Step 5: Solve for x
    x = 9,044,253,123.23/156,785.62
  6. Step 6: Final answer
    x = 57,685.48

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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.