Home / 115,197.51-172,796.23-36,317.91

Finding the Fourth Proportional to 115,197.51, 172,796.23 and 36,317.91

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Solution

The fourth proportional to 115,197.51, 172,796.23 and 36,317.91 is: 54,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,197.51 : 172,796.23 = 36,317.91 : x
  2. Step 2: Convert to fraction form
    115,197.51/172,796.23 = 36,317.91/x
  3. Step 3: Cross multiply
    115,197.51x = 172,796.23 × 36,317.91
  4. Step 4: Simplify right side
    115,197.51x = 6,275,597,929.48
  5. Step 5: Solve for x
    x = 6,275,597,929.48/115,197.51
  6. Step 6: Final answer
    x = 54,476.85

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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.