Home / 166,246.28-229,436.38-99,178.28

Finding the Fourth Proportional to 166,246.28, 229,436.38 and 99,178.28

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Solution

The fourth proportional to 166,246.28, 229,436.38 and 99,178.28 is: 136,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,246.28 : 229,436.38 = 99,178.28 : x
  2. Step 2: Convert to fraction form
    166,246.28/229,436.38 = 99,178.28/x
  3. Step 3: Cross multiply
    166,246.28x = 229,436.38 × 99,178.28
  4. Step 4: Simplify right side
    166,246.28x = 22,755,105,537.83
  5. Step 5: Solve for x
    x = 22,755,105,537.83/166,246.28
  6. Step 6: Final answer
    x = 136,875.88

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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.