Home / 156,528.75-234,793.13-73,422.75

Finding the Fourth Proportional to 156,528.75, 234,793.13 and 73,422.75

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Solution

The fourth proportional to 156,528.75, 234,793.13 and 73,422.75 is: 110,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,528.75 : 234,793.13 = 73,422.75 : x
  2. Step 2: Convert to fraction form
    156,528.75/234,793.13 = 73,422.75/x
  3. Step 3: Cross multiply
    156,528.75x = 234,793.13 × 73,422.75
  4. Step 4: Simplify right side
    156,528.75x = 17,239,157,285.71
  5. Step 5: Solve for x
    x = 17,239,157,285.71/156,528.75
  6. Step 6: Final answer
    x = 110,134.13

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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.