Home / 132,378.03-198,591.66-53,547.61

Finding the Fourth Proportional to 132,378.03, 198,591.66 and 53,547.61

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Solution

The fourth proportional to 132,378.03, 198,591.66 and 53,547.61 is: 80,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,378.03 : 198,591.66 = 53,547.61 : x
  2. Step 2: Convert to fraction form
    132,378.03/198,591.66 = 53,547.61/x
  3. Step 3: Cross multiply
    132,378.03x = 198,591.66 × 53,547.61
  4. Step 4: Simplify right side
    132,378.03x = 10,634,108,491.19
  5. Step 5: Solve for x
    x = 10,634,108,491.19/132,378.03
  6. Step 6: Final answer
    x = 80,331.37

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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.