Home / 166,108.11-229,226.00-90,657.15

Finding the Fourth Proportional to 166,108.11, 229,226.00 and 90,657.15

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Solution

The fourth proportional to 166,108.11, 229,226.00 and 90,657.15 is: 125,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,108.11 : 229,226.00 = 90,657.15 : x
  2. Step 2: Convert to fraction form
    166,108.11/229,226.00 = 90,657.15/x
  3. Step 3: Cross multiply
    166,108.11x = 229,226.00 × 90,657.15
  4. Step 4: Simplify right side
    166,108.11x = 20,780,975,412.61
  5. Step 5: Solve for x
    x = 20,780,975,412.61/166,108.11
  6. Step 6: Final answer
    x = 125,105.12

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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.