Home / 132,101.80-197,778.30-102,572.20

Finding the Fourth Proportional to 132,101.80, 197,778.30 and 102,572.20

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Solution

The fourth proportional to 132,101.80, 197,778.30 and 102,572.20 is: 153,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101.80 : 197,778.30 = 102,572.20 : x
  2. Step 2: Convert to fraction form
    132,101.80/197,778.30 = 102,572.20/x
  3. Step 3: Cross multiply
    132,101.80x = 197,778.30 × 102,572.20
  4. Step 4: Simplify right side
    132,101.80x = 20,286,555,343.26
  5. Step 5: Solve for x
    x = 20,286,555,343.26/132,101.80
  6. Step 6: Final answer
    x = 153,567.59

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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.