Home / 132,440.20-198,660.30-70,232.20

Finding the Fourth Proportional to 132,440.20, 198,660.30 and 70,232.20

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Solution

The fourth proportional to 132,440.20, 198,660.30 and 70,232.20 is: 105,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,440.20 : 198,660.30 = 70,232.20 : x
  2. Step 2: Convert to fraction form
    132,440.20/198,660.30 = 70,232.20/x
  3. Step 3: Cross multiply
    132,440.20x = 198,660.30 × 70,232.20
  4. Step 4: Simplify right side
    132,440.20x = 13,952,349,921.66
  5. Step 5: Solve for x
    x = 13,952,349,921.66/132,440.20
  6. Step 6: Final answer
    x = 105,348.30

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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.