Home / 147,194.02-220,643.40-68,363.61

Finding the Fourth Proportional to 147,194.02, 220,643.40 and 68,363.61

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Solution

The fourth proportional to 147,194.02, 220,643.40 and 68,363.61 is: 102,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,194.02 : 220,643.40 = 68,363.61 : x
  2. Step 2: Convert to fraction form
    147,194.02/220,643.40 = 68,363.61/x
  3. Step 3: Cross multiply
    147,194.02x = 220,643.40 × 68,363.61
  4. Step 4: Simplify right side
    147,194.02x = 15,083,978,775.62
  5. Step 5: Solve for x
    x = 15,083,978,775.62/147,194.02
  6. Step 6: Final answer
    x = 102,476.84

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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.