Home / 170,159.12-255,172.44-70,335.44

Finding the Fourth Proportional to 170,159.12, 255,172.44 and 70,335.44

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Solution

The fourth proportional to 170,159.12, 255,172.44 and 70,335.44 is: 105,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,159.12 : 255,172.44 = 70,335.44 : x
  2. Step 2: Convert to fraction form
    170,159.12/255,172.44 = 70,335.44/x
  3. Step 3: Cross multiply
    170,159.12x = 255,172.44 × 70,335.44
  4. Step 4: Simplify right side
    170,159.12x = 17,947,665,843.27
  5. Step 5: Solve for x
    x = 17,947,665,843.27/170,159.12
  6. Step 6: Final answer
    x = 105,475.78

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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.