Home / 231,530.96-319,164.36-181,142.48

Finding the Fourth Proportional to 231,530.96, 319,164.36 and 181,142.48

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Solution

The fourth proportional to 231,530.96, 319,164.36 and 181,142.48 is: 249,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,530.96 : 319,164.36 = 181,142.48 : x
  2. Step 2: Convert to fraction form
    231,530.96/319,164.36 = 181,142.48/x
  3. Step 3: Cross multiply
    231,530.96x = 319,164.36 × 181,142.48
  4. Step 4: Simplify right side
    231,530.96x = 57,814,223,698.01
  5. Step 5: Solve for x
    x = 57,814,223,698.01/231,530.96
  6. Step 6: Final answer
    x = 249,704.07

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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.