Home / 132,287.28-182,504.85-74,913.36

Finding the Fourth Proportional to 132,287.28, 182,504.85 and 74,913.36

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Solution

The fourth proportional to 132,287.28, 182,504.85 and 74,913.36 is: 103,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,287.28 : 182,504.85 = 74,913.36 : x
  2. Step 2: Convert to fraction form
    132,287.28/182,504.85 = 74,913.36/x
  3. Step 3: Cross multiply
    132,287.28x = 182,504.85 × 74,913.36
  4. Step 4: Simplify right side
    132,287.28x = 13,672,050,564.48
  5. Step 5: Solve for x
    x = 13,672,050,564.48/132,287.28
  6. Step 6: Final answer
    x = 103,351.21

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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.