Home / 140,917.54-194,473.66-77,258.02

Finding the Fourth Proportional to 140,917.54, 194,473.66 and 77,258.02

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Solution

The fourth proportional to 140,917.54, 194,473.66 and 77,258.02 is: 106,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917.54 : 194,473.66 = 77,258.02 : x
  2. Step 2: Convert to fraction form
    140,917.54/194,473.66 = 77,258.02/x
  3. Step 3: Cross multiply
    140,917.54x = 194,473.66 × 77,258.02
  4. Step 4: Simplify right side
    140,917.54x = 15,024,649,527.46
  5. Step 5: Solve for x
    x = 15,024,649,527.46/140,917.54
  6. Step 6: Final answer
    x = 106,620.15

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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.