Home / 156,926.03-216,557.69-85,306.57

Finding the Fourth Proportional to 156,926.03, 216,557.69 and 85,306.57

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Solution

The fourth proportional to 156,926.03, 216,557.69 and 85,306.57 is: 117,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.03 : 216,557.69 = 85,306.57 : x
  2. Step 2: Convert to fraction form
    156,926.03/216,557.69 = 85,306.57/x
  3. Step 3: Cross multiply
    156,926.03x = 216,557.69 × 85,306.57
  4. Step 4: Simplify right side
    156,926.03x = 18,473,792,773.10
  5. Step 5: Solve for x
    x = 18,473,792,773.10/156,926.03
  6. Step 6: Final answer
    x = 117,722.94

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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.