Home / 132,916.97-198,769.40-99,206.76

Finding the Fourth Proportional to 132,916.97, 198,769.40 and 99,206.76

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Solution

The fourth proportional to 132,916.97, 198,769.40 and 99,206.76 is: 148,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916.97 : 198,769.40 = 99,206.76 : x
  2. Step 2: Convert to fraction form
    132,916.97/198,769.40 = 99,206.76/x
  3. Step 3: Cross multiply
    132,916.97x = 198,769.40 × 99,206.76
  4. Step 4: Simplify right side
    132,916.97x = 19,719,268,161.14
  5. Step 5: Solve for x
    x = 19,719,268,161.14/132,916.97
  6. Step 6: Final answer
    x = 148,357.79

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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.