Home / 177,778.30-266,667.45-149,784.70

Finding the Fourth Proportional to 177,778.30, 266,667.45 and 149,784.70

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Solution

The fourth proportional to 177,778.30, 266,667.45 and 149,784.70 is: 224,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,778.30 : 266,667.45 = 149,784.70 : x
  2. Step 2: Convert to fraction form
    177,778.30/266,667.45 = 149,784.70/x
  3. Step 3: Cross multiply
    177,778.30x = 266,667.45 × 149,784.70
  4. Step 4: Simplify right side
    177,778.30x = 39,942,703,998.02
  5. Step 5: Solve for x
    x = 39,942,703,998.02/177,778.30
  6. Step 6: Final answer
    x = 224,677.05

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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.