Home / 177,177.20-266,175.40-121,881.20

Finding the Fourth Proportional to 177,177.20, 266,175.40 and 121,881.20

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Solution

The fourth proportional to 177,177.20, 266,175.40 and 121,881.20 is: 183,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,177.20 : 266,175.40 = 121,881.20 : x
  2. Step 2: Convert to fraction form
    177,177.20/266,175.40 = 121,881.20/x
  3. Step 3: Cross multiply
    177,177.20x = 266,175.40 × 121,881.20
  4. Step 4: Simplify right side
    177,177.20x = 32,441,777,162.48
  5. Step 5: Solve for x
    x = 32,441,777,162.48/177,177.20
  6. Step 6: Final answer
    x = 183,103.57

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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.