Home / 132,002.20-197,711.70-102,323.80

Finding the Fourth Proportional to 132,002.20, 197,711.70 and 102,323.80

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Solution

The fourth proportional to 132,002.20, 197,711.70 and 102,323.80 is: 153,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.20 : 197,711.70 = 102,323.80 : x
  2. Step 2: Convert to fraction form
    132,002.20/197,711.70 = 102,323.80/x
  3. Step 3: Cross multiply
    132,002.20x = 197,711.70 × 102,323.80
  4. Step 4: Simplify right side
    132,002.20x = 20,230,612,448.46
  5. Step 5: Solve for x
    x = 20,230,612,448.46/132,002.20
  6. Step 6: Final answer
    x = 153,259.66

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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.