Home / 131,205.20-196,516.20-101,526.80

Finding the Fourth Proportional to 131,205.20, 196,516.20 and 101,526.80

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Solution

The fourth proportional to 131,205.20, 196,516.20 and 101,526.80 is: 152,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,205.20 : 196,516.20 = 101,526.80 : x
  2. Step 2: Convert to fraction form
    131,205.20/196,516.20 = 101,526.80/x
  3. Step 3: Cross multiply
    131,205.20x = 196,516.20 × 101,526.80
  4. Step 4: Simplify right side
    131,205.20x = 19,951,660,934.16
  5. Step 5: Solve for x
    x = 19,951,660,934.16/131,205.20
  6. Step 6: Final answer
    x = 152,064.56

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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.