Home / 169,591.12-254,392.04-85,305.25

Finding the Fourth Proportional to 169,591.12, 254,392.04 and 85,305.25

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Solution

The fourth proportional to 169,591.12, 254,392.04 and 85,305.25 is: 127,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,591.12 : 254,392.04 = 85,305.25 : x
  2. Step 2: Convert to fraction form
    169,591.12/254,392.04 = 85,305.25/x
  3. Step 3: Cross multiply
    169,591.12x = 254,392.04 × 85,305.25
  4. Step 4: Simplify right side
    169,591.12x = 21,700,977,101.46
  5. Step 5: Solve for x
    x = 21,700,977,101.46/169,591.12
  6. Step 6: Final answer
    x = 127,960.58

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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.