Home / 170,255.52-255,342.17-75,433.28

Finding the Fourth Proportional to 170,255.52, 255,342.17 and 75,433.28

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Solution

The fourth proportional to 170,255.52, 255,342.17 and 75,433.28 is: 113,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,255.52 : 255,342.17 = 75,433.28 : x
  2. Step 2: Convert to fraction form
    170,255.52/255,342.17 = 75,433.28/x
  3. Step 3: Cross multiply
    170,255.52x = 255,342.17 × 75,433.28
  4. Step 4: Simplify right side
    170,255.52x = 19,261,296,317.29
  5. Step 5: Solve for x
    x = 19,261,296,317.29/170,255.52
  6. Step 6: Final answer
    x = 113,131.70

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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.