Home / 179,713.28-247,990.44-99,143.84

Finding the Fourth Proportional to 179,713.28, 247,990.44 and 99,143.84

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Solution

The fourth proportional to 179,713.28, 247,990.44 and 99,143.84 is: 136,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,713.28 : 247,990.44 = 99,143.84 : x
  2. Step 2: Convert to fraction form
    179,713.28/247,990.44 = 99,143.84/x
  3. Step 3: Cross multiply
    179,713.28x = 247,990.44 × 99,143.84
  4. Step 4: Simplify right side
    179,713.28x = 24,586,724,504.89
  5. Step 5: Solve for x
    x = 24,586,724,504.89/179,713.28
  6. Step 6: Final answer
    x = 136,810.84

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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.