Home / 99,014.20-148,521.30-92,015.80

Finding the Fourth Proportional to 99,014.20, 148,521.30 and 92,015.80

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Solution

The fourth proportional to 99,014.20, 148,521.30 and 92,015.80 is: 138,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,014.20 : 148,521.30 = 92,015.80 : x
  2. Step 2: Convert to fraction form
    99,014.20/148,521.30 = 92,015.80/x
  3. Step 3: Cross multiply
    99,014.20x = 148,521.30 × 92,015.80
  4. Step 4: Simplify right side
    99,014.20x = 13,666,306,236.54
  5. Step 5: Solve for x
    x = 13,666,306,236.54/99,014.20
  6. Step 6: Final answer
    x = 138,023.70

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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.