Home / 170,254.62-255,607.65-145,454.04

Finding the Fourth Proportional to 170,254.62, 255,607.65 and 145,454.04

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Solution

The fourth proportional to 170,254.62, 255,607.65 and 145,454.04 is: 218,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,254.62 : 255,607.65 = 145,454.04 : x
  2. Step 2: Convert to fraction form
    170,254.62/255,607.65 = 145,454.04/x
  3. Step 3: Cross multiply
    170,254.62x = 255,607.65 × 145,454.04
  4. Step 4: Simplify right side
    170,254.62x = 37,179,165,347.41
  5. Step 5: Solve for x
    x = 37,179,165,347.41/170,254.62
  6. Step 6: Final answer
    x = 218,373.90

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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.