Home / 99,490.06-149,563.14-92,185.48

Finding the Fourth Proportional to 99,490.06, 149,563.14 and 92,185.48

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Solution

The fourth proportional to 99,490.06, 149,563.14 and 92,185.48 is: 138,582.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,490.06 : 149,563.14 = 92,185.48 : x
  2. Step 2: Convert to fraction form
    99,490.06/149,563.14 = 92,185.48/x
  3. Step 3: Cross multiply
    99,490.06x = 149,563.14 × 92,185.48
  4. Step 4: Simplify right side
    99,490.06x = 13,787,549,851.21
  5. Step 5: Solve for x
    x = 13,787,549,851.21/99,490.06
  6. Step 6: Final answer
    x = 138,582.18

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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.