Home / 226,144.17-312,083.42-124,168.74

Finding the Fourth Proportional to 226,144.17, 312,083.42 and 124,168.74

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Solution

The fourth proportional to 226,144.17, 312,083.42 and 124,168.74 is: 171,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,144.17 : 312,083.42 = 124,168.74 : x
  2. Step 2: Convert to fraction form
    226,144.17/312,083.42 = 124,168.74/x
  3. Step 3: Cross multiply
    226,144.17x = 312,083.42 × 124,168.74
  4. Step 4: Simplify right side
    226,144.17x = 38,751,004,415.45
  5. Step 5: Solve for x
    x = 38,751,004,415.45/226,144.17
  6. Step 6: Final answer
    x = 171,355.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.