Home / 167,929.40-251,951.70-74,502.20

Finding the Fourth Proportional to 167,929.40, 251,951.70 and 74,502.20

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Solution

The fourth proportional to 167,929.40, 251,951.70 and 74,502.20 is: 111,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,929.40 : 251,951.70 = 74,502.20 : x
  2. Step 2: Convert to fraction form
    167,929.40/251,951.70 = 74,502.20/x
  3. Step 3: Cross multiply
    167,929.40x = 251,951.70 × 74,502.20
  4. Step 4: Simplify right side
    167,929.40x = 18,770,955,943.74
  5. Step 5: Solve for x
    x = 18,770,955,943.74/167,929.40
  6. Step 6: Final answer
    x = 111,778.85

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1.5x scale

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.