Home / 149,870.43-206,959.32-96,248.87

Finding the Fourth Proportional to 149,870.43, 206,959.32 and 96,248.87

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Solution

The fourth proportional to 149,870.43, 206,959.32 and 96,248.87 is: 132,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,870.43 : 206,959.32 = 96,248.87 : x
  2. Step 2: Convert to fraction form
    149,870.43/206,959.32 = 96,248.87/x
  3. Step 3: Cross multiply
    149,870.43x = 206,959.32 × 96,248.87
  4. Step 4: Simplify right side
    149,870.43x = 19,919,599,807.64
  5. Step 5: Solve for x
    x = 19,919,599,807.64/149,870.43
  6. Step 6: Final answer
    x = 132,912.14

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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.