Home / 138,133.60-207,148.32-44,614.24

Finding the Fourth Proportional to 138,133.60, 207,148.32 and 44,614.24

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Solution

The fourth proportional to 138,133.60, 207,148.32 and 44,614.24 is: 66,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,133.60 : 207,148.32 = 44,614.24 : x
  2. Step 2: Convert to fraction form
    138,133.60/207,148.32 = 44,614.24/x
  3. Step 3: Cross multiply
    138,133.60x = 207,148.32 × 44,614.24
  4. Step 4: Simplify right side
    138,133.60x = 9,241,764,864.08
  5. Step 5: Solve for x
    x = 9,241,764,864.08/138,133.60
  6. Step 6: Final answer
    x = 66,904.54

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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.