Home / 134,902.62-186,165.54-74,473.20

Finding the Fourth Proportional to 134,902.62, 186,165.54 and 74,473.20

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Solution

The fourth proportional to 134,902.62, 186,165.54 and 74,473.20 is: 102,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,902.62 : 186,165.54 = 74,473.20 : x
  2. Step 2: Convert to fraction form
    134,902.62/186,165.54 = 74,473.20/x
  3. Step 3: Cross multiply
    134,902.62x = 186,165.54 × 74,473.20
  4. Step 4: Simplify right side
    134,902.62x = 13,864,343,493.53
  5. Step 5: Solve for x
    x = 13,864,343,493.53/134,902.62
  6. Step 6: Final answer
    x = 102,772.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.