Home / 156,926.76-216,560.33-85,306.91

Finding the Fourth Proportional to 156,926.76, 216,560.33 and 85,306.91

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Solution

The fourth proportional to 156,926.76, 216,560.33 and 85,306.91 is: 117,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.76 : 216,560.33 = 85,306.91 : x
  2. Step 2: Convert to fraction form
    156,926.76/216,560.33 = 85,306.91/x
  3. Step 3: Cross multiply
    156,926.76x = 216,560.33 × 85,306.91
  4. Step 4: Simplify right side
    156,926.76x = 18,474,091,071.54
  5. Step 5: Solve for x
    x = 18,474,091,071.54/156,926.76
  6. Step 6: Final answer
    x = 117,724.29

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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.