Home / 186,908.06-280,366.05-66,972.83

Finding the Fourth Proportional to 186,908.06, 280,366.05 and 66,972.83

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Solution

The fourth proportional to 186,908.06, 280,366.05 and 66,972.83 is: 100,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,908.06 : 280,366.05 = 66,972.83 : x
  2. Step 2: Convert to fraction form
    186,908.06/280,366.05 = 66,972.83/x
  3. Step 3: Cross multiply
    186,908.06x = 280,366.05 × 66,972.83
  4. Step 4: Simplify right side
    186,908.06x = 18,776,906,402.59
  5. Step 5: Solve for x
    x = 18,776,906,402.59/186,908.06
  6. Step 6: Final answer
    x = 100,460.66

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1.5x scale

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.