Home / 156,912.79-235,367.14-38,585.16

Finding the Fourth Proportional to 156,912.79, 235,367.14 and 38,585.16

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Solution

The fourth proportional to 156,912.79, 235,367.14 and 38,585.16 is: 57,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912.79 : 235,367.14 = 38,585.16 : x
  2. Step 2: Convert to fraction form
    156,912.79/235,367.14 = 38,585.16/x
  3. Step 3: Cross multiply
    156,912.79x = 235,367.14 × 38,585.16
  4. Step 4: Simplify right side
    156,912.79x = 9,081,678,755.64
  5. Step 5: Solve for x
    x = 9,081,678,755.64/156,912.79
  6. Step 6: Final answer
    x = 57,877.24

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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.