Home / 179,943.68-248,321.13-99,370.55

Finding the Fourth Proportional to 179,943.68, 248,321.13 and 99,370.55

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Solution

The fourth proportional to 179,943.68, 248,321.13 and 99,370.55 is: 137,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,943.68 : 248,321.13 = 99,370.55 : x
  2. Step 2: Convert to fraction form
    179,943.68/248,321.13 = 99,370.55/x
  3. Step 3: Cross multiply
    179,943.68x = 248,321.13 × 99,370.55
  4. Step 4: Simplify right side
    179,943.68x = 24,675,806,023.12
  5. Step 5: Solve for x
    x = 24,675,806,023.12/179,943.68
  6. Step 6: Final answer
    x = 137,130.72

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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.