Home / 148,679.20-205,083.98-88,207.04

Finding the Fourth Proportional to 148,679.20, 205,083.98 and 88,207.04

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Solution

The fourth proportional to 148,679.20, 205,083.98 and 88,207.04 is: 121,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,679.20 : 205,083.98 = 88,207.04 : x
  2. Step 2: Convert to fraction form
    148,679.20/205,083.98 = 88,207.04/x
  3. Step 3: Cross multiply
    148,679.20x = 205,083.98 × 88,207.04
  4. Step 4: Simplify right side
    148,679.20x = 18,089,850,827.22
  5. Step 5: Solve for x
    x = 18,089,850,827.22/148,679.20
  6. Step 6: Final answer
    x = 121,670.35

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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.