Home / 156,096.90-215,414.28-84,476.92

Finding the Fourth Proportional to 156,096.90, 215,414.28 and 84,476.92

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Solution

The fourth proportional to 156,096.90, 215,414.28 and 84,476.92 is: 116,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,096.90 : 215,414.28 = 84,476.92 : x
  2. Step 2: Convert to fraction form
    156,096.90/215,414.28 = 84,476.92/x
  3. Step 3: Cross multiply
    156,096.90x = 215,414.28 × 84,476.92
  4. Step 4: Simplify right side
    156,096.90x = 18,197,534,898.42
  5. Step 5: Solve for x
    x = 18,197,534,898.42/156,096.90
  6. Step 6: Final answer
    x = 116,578.45

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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.