Home / 179,947.32-248,325.84-99,380.28

Finding the Fourth Proportional to 179,947.32, 248,325.84 and 99,380.28

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Solution

The fourth proportional to 179,947.32, 248,325.84 and 99,380.28 is: 137,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,947.32 : 248,325.84 = 99,380.28 : x
  2. Step 2: Convert to fraction form
    179,947.32/248,325.84 = 99,380.28/x
  3. Step 3: Cross multiply
    179,947.32x = 248,325.84 × 99,380.28
  4. Step 4: Simplify right side
    179,947.32x = 24,678,691,510.44
  5. Step 5: Solve for x
    x = 24,678,691,510.44/179,947.32
  6. Step 6: Final answer
    x = 137,143.98

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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.