Home / 132,423.40-198,711.90-49,325.80

Finding the Fourth Proportional to 132,423.40, 198,711.90 and 49,325.80

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Solution

The fourth proportional to 132,423.40, 198,711.90 and 49,325.80 is: 74,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,423.40 : 198,711.90 = 49,325.80 : x
  2. Step 2: Convert to fraction form
    132,423.40/198,711.90 = 49,325.80/x
  3. Step 3: Cross multiply
    132,423.40x = 198,711.90 × 49,325.80
  4. Step 4: Simplify right side
    132,423.40x = 9,801,623,437.02
  5. Step 5: Solve for x
    x = 9,801,623,437.02/132,423.40
  6. Step 6: Final answer
    x = 74,017.31

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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.