Home / 170,022.90-255,034.35-140,474.10

Finding the Fourth Proportional to 170,022.90, 255,034.35 and 140,474.10

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Solution

The fourth proportional to 170,022.90, 255,034.35 and 140,474.10 is: 210,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,022.90 : 255,034.35 = 140,474.10 : x
  2. Step 2: Convert to fraction form
    170,022.90/255,034.35 = 140,474.10/x
  3. Step 3: Cross multiply
    170,022.90x = 255,034.35 × 140,474.10
  4. Step 4: Simplify right side
    170,022.90x = 35,825,720,785.34
  5. Step 5: Solve for x
    x = 35,825,720,785.34/170,022.90
  6. Step 6: Final answer
    x = 210,711.15

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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.