Home / 115,276.73-172,900.51-36,398.93

Finding the Fourth Proportional to 115,276.73, 172,900.51 and 36,398.93

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Solution

The fourth proportional to 115,276.73, 172,900.51 and 36,398.93 is: 54,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,276.73 : 172,900.51 = 36,398.93 : x
  2. Step 2: Convert to fraction form
    115,276.73/172,900.51 = 36,398.93/x
  3. Step 3: Cross multiply
    115,276.73x = 172,900.51 × 36,398.93
  4. Step 4: Simplify right side
    115,276.73x = 6,293,392,604.95
  5. Step 5: Solve for x
    x = 6,293,392,604.95/115,276.73
  6. Step 6: Final answer
    x = 54,593.78

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1.5x scale

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.