Home / 179,945.15-248,328.18-99,377.82

Finding the Fourth Proportional to 179,945.15, 248,328.18 and 99,377.82

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Solution

The fourth proportional to 179,945.15, 248,328.18 and 99,377.82 is: 137,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,945.15 : 248,328.18 = 99,377.82 : x
  2. Step 2: Convert to fraction form
    179,945.15/248,328.18 = 99,377.82/x
  3. Step 3: Cross multiply
    179,945.15x = 248,328.18 × 99,377.82
  4. Step 4: Simplify right side
    179,945.15x = 24,678,313,172.97
  5. Step 5: Solve for x
    x = 24,678,313,172.97/179,945.15
  6. Step 6: Final answer
    x = 137,143.53

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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.