Home / 140,917.10-194,465.39-77,258.97

Finding the Fourth Proportional to 140,917.10, 194,465.39 and 77,258.97

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Solution

The fourth proportional to 140,917.10, 194,465.39 and 77,258.97 is: 106,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917.10 : 194,465.39 = 77,258.97 : x
  2. Step 2: Convert to fraction form
    140,917.10/194,465.39 = 77,258.97/x
  3. Step 3: Cross multiply
    140,917.10x = 194,465.39 × 77,258.97
  4. Step 4: Simplify right side
    140,917.10x = 15,024,195,345.75
  5. Step 5: Solve for x
    x = 15,024,195,345.75/140,917.10
  6. Step 6: Final answer
    x = 106,617.27

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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.