Home / 177,988.35-266,836.28-83,171.68

Finding the Fourth Proportional to 177,988.35, 266,836.28 and 83,171.68

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Solution

The fourth proportional to 177,988.35, 266,836.28 and 83,171.68 is: 124,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,988.35 : 266,836.28 = 83,171.68 : x
  2. Step 2: Convert to fraction form
    177,988.35/266,836.28 = 83,171.68/x
  3. Step 3: Cross multiply
    177,988.35x = 266,836.28 × 83,171.68
  4. Step 4: Simplify right side
    177,988.35x = 22,193,220,609.60
  5. Step 5: Solve for x
    x = 22,193,220,609.60/177,988.35
  6. Step 6: Final answer
    x = 124,689.17

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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.