Home / 179,904.78-248,269.50-99,332.46

Finding the Fourth Proportional to 179,904.78, 248,269.50 and 99,332.46

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Solution

The fourth proportional to 179,904.78, 248,269.50 and 99,332.46 is: 137,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,904.78 : 248,269.50 = 99,332.46 : x
  2. Step 2: Convert to fraction form
    179,904.78/248,269.50 = 99,332.46/x
  3. Step 3: Cross multiply
    179,904.78x = 248,269.50 × 99,332.46
  4. Step 4: Simplify right side
    179,904.78x = 24,661,220,177.97
  5. Step 5: Solve for x
    x = 24,661,220,177.97/179,904.78
  6. Step 6: Final answer
    x = 137,079.29

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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.