Home / 194,959.28-269,043.86-105,535.28

Finding the Fourth Proportional to 194,959.28, 269,043.86 and 105,535.28

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Solution

The fourth proportional to 194,959.28, 269,043.86 and 105,535.28 is: 145,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,959.28 : 269,043.86 = 105,535.28 : x
  2. Step 2: Convert to fraction form
    194,959.28/269,043.86 = 105,535.28/x
  3. Step 3: Cross multiply
    194,959.28x = 269,043.86 × 105,535.28
  4. Step 4: Simplify right side
    194,959.28x = 28,393,619,097.38
  5. Step 5: Solve for x
    x = 28,393,619,097.38/194,959.28
  6. Step 6: Final answer
    x = 145,638.72

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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.