Home / 167,123.03-230,644.35-91,686.11

Finding the Fourth Proportional to 167,123.03, 230,644.35 and 91,686.11

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Solution

The fourth proportional to 167,123.03, 230,644.35 and 91,686.11 is: 126,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,123.03 : 230,644.35 = 91,686.11 : x
  2. Step 2: Convert to fraction form
    167,123.03/230,644.35 = 91,686.11/x
  3. Step 3: Cross multiply
    167,123.03x = 230,644.35 × 91,686.11
  4. Step 4: Simplify right side
    167,123.03x = 21,146,882,091.76
  5. Step 5: Solve for x
    x = 21,146,882,091.76/167,123.03
  6. Step 6: Final answer
    x = 126,534.82

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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.