Home / 132,274.74-198,419.60-42,325.36

Finding the Fourth Proportional to 132,274.74, 198,419.60 and 42,325.36

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Solution

The fourth proportional to 132,274.74, 198,419.60 and 42,325.36 is: 63,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,274.74 : 198,419.60 = 42,325.36 : x
  2. Step 2: Convert to fraction form
    132,274.74/198,419.60 = 42,325.36/x
  3. Step 3: Cross multiply
    132,274.74x = 198,419.60 × 42,325.36
  4. Step 4: Simplify right side
    132,274.74x = 8,398,181,001.06
  5. Step 5: Solve for x
    x = 8,398,181,001.06/132,274.74
  6. Step 6: Final answer
    x = 63,490.44

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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.