Home / 479,140.61-718,555.43-159,206.56

Finding the Fourth Proportional to 479,140.61, 718,555.43 and 159,206.56

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Solution

The fourth proportional to 479,140.61, 718,555.43 and 159,206.56 is: 238,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,140.61 : 718,555.43 = 159,206.56 : x
  2. Step 2: Convert to fraction form
    479,140.61/718,555.43 = 159,206.56/x
  3. Step 3: Cross multiply
    479,140.61x = 718,555.43 × 159,206.56
  4. Step 4: Simplify right side
    479,140.61x = 114,398,738,179.62
  5. Step 5: Solve for x
    x = 114,398,738,179.62/479,140.61
  6. Step 6: Final answer
    x = 238,758.18

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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.