Home / 156,704.36-216,246.17-85,082.83

Finding the Fourth Proportional to 156,704.36, 216,246.17 and 85,082.83

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Solution

The fourth proportional to 156,704.36, 216,246.17 and 85,082.83 is: 117,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,704.36 : 216,246.17 = 85,082.83 : x
  2. Step 2: Convert to fraction form
    156,704.36/216,246.17 = 85,082.83/x
  3. Step 3: Cross multiply
    156,704.36x = 216,246.17 × 85,082.83
  4. Step 4: Simplify right side
    156,704.36x = 18,398,835,792.35
  5. Step 5: Solve for x
    x = 18,398,835,792.35/156,704.36
  6. Step 6: Final answer
    x = 117,411.13

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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.