Home / 170,742.20-256,323.90-107,562.20

Finding the Fourth Proportional to 170,742.20, 256,323.90 and 107,562.20

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Solution

The fourth proportional to 170,742.20, 256,323.90 and 107,562.20 is: 161,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,742.20 : 256,323.90 = 107,562.20 : x
  2. Step 2: Convert to fraction form
    170,742.20/256,323.90 = 107,562.20/x
  3. Step 3: Cross multiply
    170,742.20x = 256,323.90 × 107,562.20
  4. Step 4: Simplify right side
    170,742.20x = 27,570,762,596.58
  5. Step 5: Solve for x
    x = 27,570,762,596.58/170,742.20
  6. Step 6: Final answer
    x = 161,475.97

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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.