Home / 156,834.82-216,432.94-92,306.47

Finding the Fourth Proportional to 156,834.82, 216,432.94 and 92,306.47

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Solution

The fourth proportional to 156,834.82, 216,432.94 and 92,306.47 is: 127,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,834.82 : 216,432.94 = 92,306.47 : x
  2. Step 2: Convert to fraction form
    156,834.82/216,432.94 = 92,306.47/x
  3. Step 3: Cross multiply
    156,834.82x = 216,432.94 × 92,306.47
  4. Step 4: Simplify right side
    156,834.82x = 19,978,160,683.12
  5. Step 5: Solve for x
    x = 19,978,160,683.12/156,834.82
  6. Step 6: Final answer
    x = 127,383.45

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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.