Home / 157,179.10-235,785.52-67,231.16

Finding the Fourth Proportional to 157,179.10, 235,785.52 and 67,231.16

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Solution

The fourth proportional to 157,179.10, 235,785.52 and 67,231.16 is: 100,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,179.10 : 235,785.52 = 67,231.16 : x
  2. Step 2: Convert to fraction form
    157,179.10/235,785.52 = 67,231.16/x
  3. Step 3: Cross multiply
    157,179.10x = 235,785.52 × 67,231.16
  4. Step 4: Simplify right side
    157,179.10x = 15,852,134,020.80
  5. Step 5: Solve for x
    x = 15,852,134,020.80/157,179.10
  6. Step 6: Final answer
    x = 100,853.96

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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.