Home / 157,677.16-236,586.18-85,651.96

Finding the Fourth Proportional to 157,677.16, 236,586.18 and 85,651.96

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Solution

The fourth proportional to 157,677.16, 236,586.18 and 85,651.96 is: 128,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,677.16 : 236,586.18 = 85,651.96 : x
  2. Step 2: Convert to fraction form
    157,677.16/236,586.18 = 85,651.96/x
  3. Step 3: Cross multiply
    157,677.16x = 236,586.18 × 85,651.96
  4. Step 4: Simplify right side
    157,677.16x = 20,264,070,025.91
  5. Step 5: Solve for x
    x = 20,264,070,025.91/157,677.16
  6. Step 6: Final answer
    x = 128,516.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.