Home / 132,663.47-199,091.39-99,472.91

Finding the Fourth Proportional to 132,663.47, 199,091.39 and 99,472.91

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Solution

The fourth proportional to 132,663.47, 199,091.39 and 99,472.91 is: 149,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,663.47 : 199,091.39 = 99,472.91 : x
  2. Step 2: Convert to fraction form
    132,663.47/199,091.39 = 99,472.91/x
  3. Step 3: Cross multiply
    132,663.47x = 199,091.39 × 99,472.91
  4. Step 4: Simplify right side
    132,663.47x = 19,804,198,426.42
  5. Step 5: Solve for x
    x = 19,804,198,426.42/132,663.47
  6. Step 6: Final answer
    x = 149,281.48

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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.