Home / 177,815.40-266,723.10-114,829.80

Finding the Fourth Proportional to 177,815.40, 266,723.10 and 114,829.80

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Solution

The fourth proportional to 177,815.40, 266,723.10 and 114,829.80 is: 172,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,815.40 : 266,723.10 = 114,829.80 : x
  2. Step 2: Convert to fraction form
    177,815.40/266,723.10 = 114,829.80/x
  3. Step 3: Cross multiply
    177,815.40x = 266,723.10 × 114,829.80
  4. Step 4: Simplify right side
    177,815.40x = 30,627,760,228.38
  5. Step 5: Solve for x
    x = 30,627,760,228.38/177,815.40
  6. Step 6: Final answer
    x = 172,244.70

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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.