Home / 231,358.36-319,268.52-127,996.36

Finding the Fourth Proportional to 231,358.36, 319,268.52 and 127,996.36

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Solution

The fourth proportional to 231,358.36, 319,268.52 and 127,996.36 is: 176,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,358.36 : 319,268.52 = 127,996.36 : x
  2. Step 2: Convert to fraction form
    231,358.36/319,268.52 = 127,996.36/x
  3. Step 3: Cross multiply
    231,358.36x = 319,268.52 × 127,996.36
  4. Step 4: Simplify right side
    231,358.36x = 40,865,208,422.59
  5. Step 5: Solve for x
    x = 40,865,208,422.59/231,358.36
  6. Step 6: Final answer
    x = 176,631.65

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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.