Home / 98,293.25-147,218.28-68,842.52

Finding the Fourth Proportional to 98,293.25, 147,218.28 and 68,842.52

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Solution

The fourth proportional to 98,293.25, 147,218.28 and 68,842.52 is: 103,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293.25 : 147,218.28 = 68,842.52 : x
  2. Step 2: Convert to fraction form
    98,293.25/147,218.28 = 68,842.52/x
  3. Step 3: Cross multiply
    98,293.25x = 147,218.28 × 68,842.52
  4. Step 4: Simplify right side
    98,293.25x = 10,134,876,649.17
  5. Step 5: Solve for x
    x = 10,134,876,649.17/98,293.25
  6. Step 6: Final answer
    x = 103,108.58

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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.