Home / 231,784.66-319,808.01-131,182.66

Finding the Fourth Proportional to 231,784.66, 319,808.01 and 131,182.66

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Solution

The fourth proportional to 231,784.66, 319,808.01 and 131,182.66 is: 181,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,784.66 : 319,808.01 = 131,182.66 : x
  2. Step 2: Convert to fraction form
    231,784.66/319,808.01 = 131,182.66/x
  3. Step 3: Cross multiply
    231,784.66x = 319,808.01 × 131,182.66
  4. Step 4: Simplify right side
    231,784.66x = 41,953,265,441.11
  5. Step 5: Solve for x
    x = 41,953,265,441.11/231,784.66
  6. Step 6: Final answer
    x = 181,001.04

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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.