Home / 156,253.74-234,343.29-67,458.66

Finding the Fourth Proportional to 156,253.74, 234,343.29 and 67,458.66

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Solution

The fourth proportional to 156,253.74, 234,343.29 and 67,458.66 is: 101,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,253.74 : 234,343.29 = 67,458.66 : x
  2. Step 2: Convert to fraction form
    156,253.74/234,343.29 = 67,458.66/x
  3. Step 3: Cross multiply
    156,253.74x = 234,343.29 × 67,458.66
  4. Step 4: Simplify right side
    156,253.74x = 15,808,484,323.39
  5. Step 5: Solve for x
    x = 15,808,484,323.39/156,253.74
  6. Step 6: Final answer
    x = 101,171.88

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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.