Home / 115,726.62-172,820.94-114,474.13

Finding the Fourth Proportional to 115,726.62, 172,820.94 and 114,474.13

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Solution

The fourth proportional to 115,726.62, 172,820.94 and 114,474.13 is: 170,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,726.62 : 172,820.94 = 114,474.13 : x
  2. Step 2: Convert to fraction form
    115,726.62/172,820.94 = 114,474.13/x
  3. Step 3: Cross multiply
    115,726.62x = 172,820.94 × 114,474.13
  4. Step 4: Simplify right side
    115,726.62x = 19,783,526,752.28
  5. Step 5: Solve for x
    x = 19,783,526,752.28/115,726.62
  6. Step 6: Final answer
    x = 170,950.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.