Home / 179,703.82-247,990.58-99,136.36

Finding the Fourth Proportional to 179,703.82, 247,990.58 and 99,136.36

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Solution

The fourth proportional to 179,703.82, 247,990.58 and 99,136.36 is: 136,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,703.82 : 247,990.58 = 99,136.36 : x
  2. Step 2: Convert to fraction form
    179,703.82/247,990.58 = 99,136.36/x
  3. Step 3: Cross multiply
    179,703.82x = 247,990.58 × 99,136.36
  4. Step 4: Simplify right side
    179,703.82x = 24,584,882,919.81
  5. Step 5: Solve for x
    x = 24,584,882,919.81/179,703.82
  6. Step 6: Final answer
    x = 136,807.79

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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.