Home / 132,366.20-198,549.30-70,158.20

Finding the Fourth Proportional to 132,366.20, 198,549.30 and 70,158.20

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Solution

The fourth proportional to 132,366.20, 198,549.30 and 70,158.20 is: 105,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,366.20 : 198,549.30 = 70,158.20 : x
  2. Step 2: Convert to fraction form
    132,366.20/198,549.30 = 70,158.20/x
  3. Step 3: Cross multiply
    132,366.20x = 198,549.30 × 70,158.20
  4. Step 4: Simplify right side
    132,366.20x = 13,929,861,499.26
  5. Step 5: Solve for x
    x = 13,929,861,499.26/132,366.20
  6. Step 6: Final answer
    x = 105,237.30

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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.