Home / 181,962.38-251,113.37-105,481.79

Finding the Fourth Proportional to 181,962.38, 251,113.37 and 105,481.79

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Solution

The fourth proportional to 181,962.38, 251,113.37 and 105,481.79 is: 145,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,962.38 : 251,113.37 = 105,481.79 : x
  2. Step 2: Convert to fraction form
    181,962.38/251,113.37 = 105,481.79/x
  3. Step 3: Cross multiply
    181,962.38x = 251,113.37 × 105,481.79
  4. Step 4: Simplify right side
    181,962.38x = 26,487,887,233.12
  5. Step 5: Solve for x
    x = 26,487,887,233.12/181,962.38
  6. Step 6: Final answer
    x = 145,567.93

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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.