Home / 186,946.95-280,218.97-90,680.32

Finding the Fourth Proportional to 186,946.95, 280,218.97 and 90,680.32

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Solution

The fourth proportional to 186,946.95, 280,218.97 and 90,680.32 is: 135,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,946.95 : 280,218.97 = 90,680.32 : x
  2. Step 2: Convert to fraction form
    186,946.95/280,218.97 = 90,680.32/x
  3. Step 3: Cross multiply
    186,946.95x = 280,218.97 × 90,680.32
  4. Step 4: Simplify right side
    186,946.95x = 25,410,345,869.67
  5. Step 5: Solve for x
    x = 25,410,345,869.67/186,946.95
  6. Step 6: Final answer
    x = 135,922.76

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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.