Home / 156,918.17-216,669.30-96,516.92

Finding the Fourth Proportional to 156,918.17, 216,669.30 and 96,516.92

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Solution

The fourth proportional to 156,918.17, 216,669.30 and 96,516.92 is: 133,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.17 : 216,669.30 = 96,516.92 : x
  2. Step 2: Convert to fraction form
    156,918.17/216,669.30 = 96,516.92/x
  3. Step 3: Cross multiply
    156,918.17x = 216,669.30 × 96,516.92
  4. Step 4: Simplify right side
    156,918.17x = 20,912,253,494.56
  5. Step 5: Solve for x
    x = 20,912,253,494.56/156,918.17
  6. Step 6: Final answer
    x = 133,268.53

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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.