Home / 170,844.80-256,267.20-76,074.80

Finding the Fourth Proportional to 170,844.80, 256,267.20 and 76,074.80

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Solution

The fourth proportional to 170,844.80, 256,267.20 and 76,074.80 is: 114,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,844.80 : 256,267.20 = 76,074.80 : x
  2. Step 2: Convert to fraction form
    170,844.80/256,267.20 = 76,074.80/x
  3. Step 3: Cross multiply
    170,844.80x = 256,267.20 × 76,074.80
  4. Step 4: Simplify right side
    170,844.80x = 19,495,475,986.56
  5. Step 5: Solve for x
    x = 19,495,475,986.56/170,844.80
  6. Step 6: Final answer
    x = 114,112.20

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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.