Home / 132,438.15-198,657.23-130,251.15

Finding the Fourth Proportional to 132,438.15, 198,657.23 and 130,251.15

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Solution

The fourth proportional to 132,438.15, 198,657.23 and 130,251.15 is: 195,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,438.15 : 198,657.23 = 130,251.15 : x
  2. Step 2: Convert to fraction form
    132,438.15/198,657.23 = 130,251.15/x
  3. Step 3: Cross multiply
    132,438.15x = 198,657.23 × 130,251.15
  4. Step 4: Simplify right side
    132,438.15x = 25,875,332,012.06
  5. Step 5: Solve for x
    x = 25,875,332,012.06/132,438.15
  6. Step 6: Final answer
    x = 195,376.73

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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.