Home / 223,525-308,445.78-131,629.66

Finding the Fourth Proportional to 223,525, 308,445.78 and 131,629.66

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Solution

The fourth proportional to 223,525, 308,445.78 and 131,629.66 is: 181,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,525 : 308,445.78 = 131,629.66 : x
  2. Step 2: Convert to fraction form
    223,525/308,445.78 = 131,629.66/x
  3. Step 3: Cross multiply
    223,525x = 308,445.78 × 131,629.66
  4. Step 4: Simplify right side
    223,525x = 40,600,613,149.83
  5. Step 5: Solve for x
    x = 40,600,613,149.83/223,525
  6. Step 6: Final answer
    x = 181,637.91

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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.