Home / 156,926.46-216,557.16-85,306.26

Finding the Fourth Proportional to 156,926.46, 216,557.16 and 85,306.26

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Solution

The fourth proportional to 156,926.46, 216,557.16 and 85,306.26 is: 117,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.46 : 216,557.16 = 85,306.26 : x
  2. Step 2: Convert to fraction form
    156,926.46/216,557.16 = 85,306.26/x
  3. Step 3: Cross multiply
    156,926.46x = 216,557.16 × 85,306.26
  4. Step 4: Simplify right side
    156,926.46x = 18,473,681,395.82
  5. Step 5: Solve for x
    x = 18,473,681,395.82/156,926.46
  6. Step 6: Final answer
    x = 117,721.90

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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.