Home / 185,132.08-277,640.72-66,788.04

Finding the Fourth Proportional to 185,132.08, 277,640.72 and 66,788.04

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Solution

The fourth proportional to 185,132.08, 277,640.72 and 66,788.04 is: 100,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,132.08 : 277,640.72 = 66,788.04 : x
  2. Step 2: Convert to fraction form
    185,132.08/277,640.72 = 66,788.04/x
  3. Step 3: Cross multiply
    185,132.08x = 277,640.72 × 66,788.04
  4. Step 4: Simplify right side
    185,132.08x = 18,543,079,512.99
  5. Step 5: Solve for x
    x = 18,543,079,512.99/185,132.08
  6. Step 6: Final answer
    x = 100,161.35

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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.