Home / 231,356.36-319,265.76-127,994.36

Finding the Fourth Proportional to 231,356.36, 319,265.76 and 127,994.36

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Solution

The fourth proportional to 231,356.36, 319,265.76 and 127,994.36 is: 176,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,356.36 : 319,265.76 = 127,994.36 : x
  2. Step 2: Convert to fraction form
    231,356.36/319,265.76 = 127,994.36/x
  3. Step 3: Cross multiply
    231,356.36x = 319,265.76 × 127,994.36
  4. Step 4: Simplify right side
    231,356.36x = 40,864,216,621.11
  5. Step 5: Solve for x
    x = 40,864,216,621.11/231,356.36
  6. Step 6: Final answer
    x = 176,628.89

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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.