Home / 186,819.27-280,220.97-86,945.04

Finding the Fourth Proportional to 186,819.27, 280,220.97 and 86,945.04

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Solution

The fourth proportional to 186,819.27, 280,220.97 and 86,945.04 is: 130,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,819.27 : 280,220.97 = 86,945.04 : x
  2. Step 2: Convert to fraction form
    186,819.27/280,220.97 = 86,945.04/x
  3. Step 3: Cross multiply
    186,819.27x = 280,220.97 × 86,945.04
  4. Step 4: Simplify right side
    186,819.27x = 24,363,823,445.49
  5. Step 5: Solve for x
    x = 24,363,823,445.49/186,819.27
  6. Step 6: Final answer
    x = 130,413.87

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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.