Home / 170,540.46-255,988.11-125,612.55

Finding the Fourth Proportional to 170,540.46, 255,988.11 and 125,612.55

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Solution

The fourth proportional to 170,540.46, 255,988.11 and 125,612.55 is: 188,549.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,540.46 : 255,988.11 = 125,612.55 : x
  2. Step 2: Convert to fraction form
    170,540.46/255,988.11 = 125,612.55/x
  3. Step 3: Cross multiply
    170,540.46x = 255,988.11 × 125,612.55
  4. Step 4: Simplify right side
    170,540.46x = 32,155,319,266.78
  5. Step 5: Solve for x
    x = 32,155,319,266.78/170,540.46
  6. Step 6: Final answer
    x = 188,549.50

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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.