Home / 170,156.89-255,292.17-75,374.20

Finding the Fourth Proportional to 170,156.89, 255,292.17 and 75,374.20

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Solution

The fourth proportional to 170,156.89, 255,292.17 and 75,374.20 is: 113,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,156.89 : 255,292.17 = 75,374.20 : x
  2. Step 2: Convert to fraction form
    170,156.89/255,292.17 = 75,374.20/x
  3. Step 3: Cross multiply
    170,156.89x = 255,292.17 × 75,374.20
  4. Step 4: Simplify right side
    170,156.89x = 19,242,443,080.01
  5. Step 5: Solve for x
    x = 19,242,443,080.01/170,156.89
  6. Step 6: Final answer
    x = 113,086.48

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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.