Home / 147,634.43-221,118.66-68,582.30

Finding the Fourth Proportional to 147,634.43, 221,118.66 and 68,582.30

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Solution

The fourth proportional to 147,634.43, 221,118.66 and 68,582.30 is: 102,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,634.43 : 221,118.66 = 68,582.30 : x
  2. Step 2: Convert to fraction form
    147,634.43/221,118.66 = 68,582.30/x
  3. Step 3: Cross multiply
    147,634.43x = 221,118.66 × 68,582.30
  4. Step 4: Simplify right side
    147,634.43x = 15,164,825,170.12
  5. Step 5: Solve for x
    x = 15,164,825,170.12/147,634.43
  6. Step 6: Final answer
    x = 102,718.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.