Home / 156,882.18-235,321.23-38,554.56

Finding the Fourth Proportional to 156,882.18, 235,321.23 and 38,554.56

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Solution

The fourth proportional to 156,882.18, 235,321.23 and 38,554.56 is: 57,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,882.18 : 235,321.23 = 38,554.56 : x
  2. Step 2: Convert to fraction form
    156,882.18/235,321.23 = 38,554.56/x
  3. Step 3: Cross multiply
    156,882.18x = 235,321.23 × 38,554.56
  4. Step 4: Simplify right side
    156,882.18x = 9,072,706,481.31
  5. Step 5: Solve for x
    x = 9,072,706,481.31/156,882.18
  6. Step 6: Final answer
    x = 57,831.34

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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.