Home / 440,152.12-659,832.08-159,472.54

Finding the Fourth Proportional to 440,152.12, 659,832.08 and 159,472.54

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Solution

The fourth proportional to 440,152.12, 659,832.08 and 159,472.54 is: 239,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,152.12 : 659,832.08 = 159,472.54 : x
  2. Step 2: Convert to fraction form
    440,152.12/659,832.08 = 159,472.54/x
  3. Step 3: Cross multiply
    440,152.12x = 659,832.08 × 159,472.54
  4. Step 4: Simplify right side
    440,152.12x = 105,225,093,674.56
  5. Step 5: Solve for x
    x = 105,225,093,674.56/440,152.12
  6. Step 6: Final answer
    x = 239,065.29

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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.