Home / 186,947.31-280,187.69-93,479.79

Finding the Fourth Proportional to 186,947.31, 280,187.69 and 93,479.79

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Solution

The fourth proportional to 186,947.31, 280,187.69 and 93,479.79 is: 140,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,947.31 : 280,187.69 = 93,479.79 : x
  2. Step 2: Convert to fraction form
    186,947.31/280,187.69 = 93,479.79/x
  3. Step 3: Cross multiply
    186,947.31x = 280,187.69 × 93,479.79
  4. Step 4: Simplify right side
    186,947.31x = 26,191,885,954.39
  5. Step 5: Solve for x
    x = 26,191,885,954.39/186,947.31
  6. Step 6: Final answer
    x = 140,103.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.