Home / 179,700.72-247,983.92-99,135.96

Finding the Fourth Proportional to 179,700.72, 247,983.92 and 99,135.96

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Solution

The fourth proportional to 179,700.72, 247,983.92 and 99,135.96 is: 136,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,700.72 : 247,983.92 = 99,135.96 : x
  2. Step 2: Convert to fraction form
    179,700.72/247,983.92 = 99,135.96/x
  3. Step 3: Cross multiply
    179,700.72x = 247,983.92 × 99,135.96
  4. Step 4: Simplify right side
    179,700.72x = 24,584,123,973.76
  5. Step 5: Solve for x
    x = 24,584,123,973.76/179,700.72
  6. Step 6: Final answer
    x = 136,805.93

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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.