Home / 140,831.44-194,372.90-89,860

Finding the Fourth Proportional to 140,831.44, 194,372.90 and 89,860

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Solution

The fourth proportional to 140,831.44, 194,372.90 and 89,860 is: 124,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,831.44 : 194,372.90 = 89,860 : x
  2. Step 2: Convert to fraction form
    140,831.44/194,372.90 = 89,860/x
  3. Step 3: Cross multiply
    140,831.44x = 194,372.90 × 89,860
  4. Step 4: Simplify right side
    140,831.44x = 17,466,348,794
  5. Step 5: Solve for x
    x = 17,466,348,794/140,831.44
  6. Step 6: Final answer
    x = 124,023.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.