Home / 167,177.70-230,660.59-99,138.11

Finding the Fourth Proportional to 167,177.70, 230,660.59 and 99,138.11

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Solution

The fourth proportional to 167,177.70, 230,660.59 and 99,138.11 is: 136,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,177.70 : 230,660.59 = 99,138.11 : x
  2. Step 2: Convert to fraction form
    167,177.70/230,660.59 = 99,138.11/x
  3. Step 3: Cross multiply
    167,177.70x = 230,660.59 × 99,138.11
  4. Step 4: Simplify right side
    167,177.70x = 22,867,253,790.78
  5. Step 5: Solve for x
    x = 22,867,253,790.78/167,177.70
  6. Step 6: Final answer
    x = 136,784.12

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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.