Home / 166,867.49-250,126.26-78,046.13

Finding the Fourth Proportional to 166,867.49, 250,126.26 and 78,046.13

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Solution

The fourth proportional to 166,867.49, 250,126.26 and 78,046.13 is: 116,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,867.49 : 250,126.26 = 78,046.13 : x
  2. Step 2: Convert to fraction form
    166,867.49/250,126.26 = 78,046.13/x
  3. Step 3: Cross multiply
    166,867.49x = 250,126.26 × 78,046.13
  4. Step 4: Simplify right side
    166,867.49x = 19,521,385,353.74
  5. Step 5: Solve for x
    x = 19,521,385,353.74/166,867.49
  6. Step 6: Final answer
    x = 116,987.35

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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.