Home / 179,661.20-247,934.40-99,088.88

Finding the Fourth Proportional to 179,661.20, 247,934.40 and 99,088.88

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Solution

The fourth proportional to 179,661.20, 247,934.40 and 99,088.88 is: 136,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,661.20 : 247,934.40 = 99,088.88 : x
  2. Step 2: Convert to fraction form
    179,661.20/247,934.40 = 99,088.88/x
  3. Step 3: Cross multiply
    179,661.20x = 247,934.40 × 99,088.88
  4. Step 4: Simplify right side
    179,661.20x = 24,567,542,009.47
  5. Step 5: Solve for x
    x = 24,567,542,009.47/179,661.20
  6. Step 6: Final answer
    x = 136,743.73

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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.