Home / 115,147.16-172,726.92-36,267.56

Finding the Fourth Proportional to 115,147.16, 172,726.92 and 36,267.56

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Solution

The fourth proportional to 115,147.16, 172,726.92 and 36,267.56 is: 54,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,147.16 : 172,726.92 = 36,267.56 : x
  2. Step 2: Convert to fraction form
    115,147.16/172,726.92 = 36,267.56/x
  3. Step 3: Cross multiply
    115,147.16x = 172,726.92 × 36,267.56
  4. Step 4: Simplify right side
    115,147.16x = 6,264,383,071.08
  5. Step 5: Solve for x
    x = 6,264,383,071.08/115,147.16
  6. Step 6: Final answer
    x = 54,403.28

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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.