Home / 240,816.32-332,331.89-137,448.44

Finding the Fourth Proportional to 240,816.32, 332,331.89 and 137,448.44

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Solution

The fourth proportional to 240,816.32, 332,331.89 and 137,448.44 is: 189,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,816.32 : 332,331.89 = 137,448.44 : x
  2. Step 2: Convert to fraction form
    240,816.32/332,331.89 = 137,448.44/x
  3. Step 3: Cross multiply
    240,816.32x = 332,331.89 × 137,448.44
  4. Step 4: Simplify right side
    240,816.32x = 45,678,497,493.85
  5. Step 5: Solve for x
    x = 45,678,497,493.85/240,816.32
  6. Step 6: Final answer
    x = 189,681.91

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1.5x scale

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.