Home / 149,920.52-206,870.32-96,278.20

Finding the Fourth Proportional to 149,920.52, 206,870.32 and 96,278.20

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Solution

The fourth proportional to 149,920.52, 206,870.32 and 96,278.20 is: 132,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,920.52 : 206,870.32 = 96,278.20 : x
  2. Step 2: Convert to fraction form
    149,920.52/206,870.32 = 96,278.20/x
  3. Step 3: Cross multiply
    149,920.52x = 206,870.32 × 96,278.20
  4. Step 4: Simplify right side
    149,920.52x = 19,917,102,043.02
  5. Step 5: Solve for x
    x = 19,917,102,043.02/149,920.52
  6. Step 6: Final answer
    x = 132,851.07

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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.