Home / 132,363.60-198,545.40-126,219.60

Finding the Fourth Proportional to 132,363.60, 198,545.40 and 126,219.60

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Solution

The fourth proportional to 132,363.60, 198,545.40 and 126,219.60 is: 189,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,363.60 : 198,545.40 = 126,219.60 : x
  2. Step 2: Convert to fraction form
    132,363.60/198,545.40 = 126,219.60/x
  3. Step 3: Cross multiply
    132,363.60x = 198,545.40 × 126,219.60
  4. Step 4: Simplify right side
    132,363.60x = 25,060,320,969.84
  5. Step 5: Solve for x
    x = 25,060,320,969.84/132,363.60
  6. Step 6: Final answer
    x = 189,329.40

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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.