Home / 132,050.40-198,084.72-53,164.80

Finding the Fourth Proportional to 132,050.40, 198,084.72 and 53,164.80

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Solution

The fourth proportional to 132,050.40, 198,084.72 and 53,164.80 is: 79,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,050.40 : 198,084.72 = 53,164.80 : x
  2. Step 2: Convert to fraction form
    132,050.40/198,084.72 = 53,164.80/x
  3. Step 3: Cross multiply
    132,050.40x = 198,084.72 × 53,164.80
  4. Step 4: Simplify right side
    132,050.40x = 10,531,134,521.86
  5. Step 5: Solve for x
    x = 10,531,134,521.86/132,050.40
  6. Step 6: Final answer
    x = 79,750.87

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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.