Home / 260,564.27-390,787.56-132,350.69

Finding the Fourth Proportional to 260,564.27, 390,787.56 and 132,350.69

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Solution

The fourth proportional to 260,564.27, 390,787.56 and 132,350.69 is: 198,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,564.27 : 390,787.56 = 132,350.69 : x
  2. Step 2: Convert to fraction form
    260,564.27/390,787.56 = 132,350.69/x
  3. Step 3: Cross multiply
    260,564.27x = 390,787.56 × 132,350.69
  4. Step 4: Simplify right side
    260,564.27x = 51,721,004,186.39
  5. Step 5: Solve for x
    x = 51,721,004,186.39/260,564.27
  6. Step 6: Final answer
    x = 198,496.15

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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.