Home / 197,520.66-272,577.76-106,876.80

Finding the Fourth Proportional to 197,520.66, 272,577.76 and 106,876.80

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Solution

The fourth proportional to 197,520.66, 272,577.76 and 106,876.80 is: 147,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,520.66 : 272,577.76 = 106,876.80 : x
  2. Step 2: Convert to fraction form
    197,520.66/272,577.76 = 106,876.80/x
  3. Step 3: Cross multiply
    197,520.66x = 272,577.76 × 106,876.80
  4. Step 4: Simplify right side
    197,520.66x = 29,132,238,472.78
  5. Step 5: Solve for x
    x = 29,132,238,472.78/197,520.66
  6. Step 6: Final answer
    x = 147,489.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.