Home / 255,769.24-353,184.42-160,439.80

Finding the Fourth Proportional to 255,769.24, 353,184.42 and 160,439.80

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Solution

The fourth proportional to 255,769.24, 353,184.42 and 160,439.80 is: 221,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,769.24 : 353,184.42 = 160,439.80 : x
  2. Step 2: Convert to fraction form
    255,769.24/353,184.42 = 160,439.80/x
  3. Step 3: Cross multiply
    255,769.24x = 353,184.42 × 160,439.80
  4. Step 4: Simplify right side
    255,769.24x = 56,664,837,707.92
  5. Step 5: Solve for x
    x = 56,664,837,707.92/255,769.24
  6. Step 6: Final answer
    x = 221,546.73

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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.