Home / 134,902.59-186,164.52-74,473.31

Finding the Fourth Proportional to 134,902.59, 186,164.52 and 74,473.31

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Solution

The fourth proportional to 134,902.59, 186,164.52 and 74,473.31 is: 102,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,902.59 : 186,164.52 = 74,473.31 : x
  2. Step 2: Convert to fraction form
    134,902.59/186,164.52 = 74,473.31/x
  3. Step 3: Cross multiply
    134,902.59x = 186,164.52 × 74,473.31
  4. Step 4: Simplify right side
    134,902.59x = 13,864,288,008.96
  5. Step 5: Solve for x
    x = 13,864,288,008.96/134,902.59
  6. Step 6: Final answer
    x = 102,772.59

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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.