Home / 226,565.57-312,655.36-123,197.51

Finding the Fourth Proportional to 226,565.57, 312,655.36 and 123,197.51

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Solution

The fourth proportional to 226,565.57, 312,655.36 and 123,197.51 is: 170,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,565.57 : 312,655.36 = 123,197.51 : x
  2. Step 2: Convert to fraction form
    226,565.57/312,655.36 = 123,197.51/x
  3. Step 3: Cross multiply
    226,565.57x = 312,655.36 × 123,197.51
  4. Step 4: Simplify right side
    226,565.57x = 38,518,361,840.15
  5. Step 5: Solve for x
    x = 38,518,361,840.15/226,565.57
  6. Step 6: Final answer
    x = 170,009.78

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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.