Home / 179,760.20-248,069.93-99,187.79

Finding the Fourth Proportional to 179,760.20, 248,069.93 and 99,187.79

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Solution

The fourth proportional to 179,760.20, 248,069.93 and 99,187.79 is: 136,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,760.20 : 248,069.93 = 99,187.79 : x
  2. Step 2: Convert to fraction form
    179,760.20/248,069.93 = 99,187.79/x
  3. Step 3: Cross multiply
    179,760.20x = 248,069.93 × 99,187.79
  4. Step 4: Simplify right side
    179,760.20x = 24,605,506,385.87
  5. Step 5: Solve for x
    x = 24,605,506,385.87/179,760.20
  6. Step 6: Final answer
    x = 136,879.62

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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.