Home / 132,401.70-198,602.55-122,292.90

Finding the Fourth Proportional to 132,401.70, 198,602.55 and 122,292.90

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Solution

The fourth proportional to 132,401.70, 198,602.55 and 122,292.90 is: 183,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,401.70 : 198,602.55 = 122,292.90 : x
  2. Step 2: Convert to fraction form
    132,401.70/198,602.55 = 122,292.90/x
  3. Step 3: Cross multiply
    132,401.70x = 198,602.55 × 122,292.90
  4. Step 4: Simplify right side
    132,401.70x = 24,287,681,786.90
  5. Step 5: Solve for x
    x = 24,287,681,786.90/132,401.70
  6. Step 6: Final answer
    x = 183,439.35

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1.5x scale

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.