Home / 156,175.12-234,151.32-73,023.76

Finding the Fourth Proportional to 156,175.12, 234,151.32 and 73,023.76

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Solution

The fourth proportional to 156,175.12, 234,151.32 and 73,023.76 is: 109,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,175.12 : 234,151.32 = 73,023.76 : x
  2. Step 2: Convert to fraction form
    156,175.12/234,151.32 = 73,023.76/x
  3. Step 3: Cross multiply
    156,175.12x = 234,151.32 × 73,023.76
  4. Step 4: Simplify right side
    156,175.12x = 17,098,609,795.36
  5. Step 5: Solve for x
    x = 17,098,609,795.36/156,175.12
  6. Step 6: Final answer
    x = 109,483.57

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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.