Home / 99,822.20-149,733.30-92,605.10

Finding the Fourth Proportional to 99,822.20, 149,733.30 and 92,605.10

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Solution

The fourth proportional to 99,822.20, 149,733.30 and 92,605.10 is: 138,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822.20 : 149,733.30 = 92,605.10 : x
  2. Step 2: Convert to fraction form
    99,822.20/149,733.30 = 92,605.10/x
  3. Step 3: Cross multiply
    99,822.20x = 149,733.30 × 92,605.10
  4. Step 4: Simplify right side
    99,822.20x = 13,866,067,219.83
  5. Step 5: Solve for x
    x = 13,866,067,219.83/99,822.20
  6. Step 6: Final answer
    x = 138,907.65

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1.5x scale

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.