Home / 99,315.18-148,997.88-29,194.43

Finding the Fourth Proportional to 99,315.18, 148,997.88 and 29,194.43

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Solution

The fourth proportional to 99,315.18, 148,997.88 and 29,194.43 is: 43,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,315.18 : 148,997.88 = 29,194.43 : x
  2. Step 2: Convert to fraction form
    99,315.18/148,997.88 = 29,194.43/x
  3. Step 3: Cross multiply
    99,315.18x = 148,997.88 × 29,194.43
  4. Step 4: Simplify right side
    99,315.18x = 4,349,907,432.82
  5. Step 5: Solve for x
    x = 4,349,907,432.82/99,315.18
  6. Step 6: Final answer
    x = 43,799.02

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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.