Home / 162,831.75-244,252.43-138,988.97

Finding the Fourth Proportional to 162,831.75, 244,252.43 and 138,988.97

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Solution

The fourth proportional to 162,831.75, 244,252.43 and 138,988.97 is: 208,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,831.75 : 244,252.43 = 138,988.97 : x
  2. Step 2: Convert to fraction form
    162,831.75/244,252.43 = 138,988.97/x
  3. Step 3: Cross multiply
    162,831.75x = 244,252.43 × 138,988.97
  4. Step 4: Simplify right side
    162,831.75x = 33,948,391,749.49
  5. Step 5: Solve for x
    x = 33,948,391,749.49/162,831.75
  6. Step 6: Final answer
    x = 208,487.54

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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.