Home / 440,022.32-660,311.15-187,302.41

Finding the Fourth Proportional to 440,022.32, 660,311.15 and 187,302.41

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Solution

The fourth proportional to 440,022.32, 660,311.15 and 187,302.41 is: 281,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,022.32 : 660,311.15 = 187,302.41 : x
  2. Step 2: Convert to fraction form
    440,022.32/660,311.15 = 187,302.41/x
  3. Step 3: Cross multiply
    440,022.32x = 660,311.15 × 187,302.41
  4. Step 4: Simplify right side
    440,022.32x = 123,677,869,744.87
  5. Step 5: Solve for x
    x = 123,677,869,744.87/440,022.32
  6. Step 6: Final answer
    x = 281,071.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.