Home / 156,832.59-216,424.17-85,211.08

Finding the Fourth Proportional to 156,832.59, 216,424.17 and 85,211.08

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Solution

The fourth proportional to 156,832.59, 216,424.17 and 85,211.08 is: 117,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,832.59 : 216,424.17 = 85,211.08 : x
  2. Step 2: Convert to fraction form
    156,832.59/216,424.17 = 85,211.08/x
  3. Step 3: Cross multiply
    156,832.59x = 216,424.17 × 85,211.08
  4. Step 4: Simplify right side
    156,832.59x = 18,441,737,263.80
  5. Step 5: Solve for x
    x = 18,441,737,263.80/156,832.59
  6. Step 6: Final answer
    x = 117,588.68

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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.