Home / 115,261.04-172,595.16-92,665.52

Finding the Fourth Proportional to 115,261.04, 172,595.16 and 92,665.52

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Solution

The fourth proportional to 115,261.04, 172,595.16 and 92,665.52 is: 138,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,261.04 : 172,595.16 = 92,665.52 : x
  2. Step 2: Convert to fraction form
    115,261.04/172,595.16 = 92,665.52/x
  3. Step 3: Cross multiply
    115,261.04x = 172,595.16 × 92,665.52
  4. Step 4: Simplify right side
    115,261.04x = 15,993,620,250.88
  5. Step 5: Solve for x
    x = 15,993,620,250.88/115,261.04
  6. Step 6: Final answer
    x = 138,759.99

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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.