Home / 156,920.16-235,306.14-57,010.72

Finding the Fourth Proportional to 156,920.16, 235,306.14 and 57,010.72

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Solution

The fourth proportional to 156,920.16, 235,306.14 and 57,010.72 is: 85,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.16 : 235,306.14 = 57,010.72 : x
  2. Step 2: Convert to fraction form
    156,920.16/235,306.14 = 57,010.72/x
  3. Step 3: Cross multiply
    156,920.16x = 235,306.14 × 57,010.72
  4. Step 4: Simplify right side
    156,920.16x = 13,414,972,461.82
  5. Step 5: Solve for x
    x = 13,414,972,461.82/156,920.16
  6. Step 6: Final answer
    x = 85,489.16

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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.