Home / 185,116.80-277,675.20-66,806.40

Finding the Fourth Proportional to 185,116.80, 277,675.20 and 66,806.40

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Solution

The fourth proportional to 185,116.80, 277,675.20 and 66,806.40 is: 100,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,116.80 : 277,675.20 = 66,806.40 : x
  2. Step 2: Convert to fraction form
    185,116.80/277,675.20 = 66,806.40/x
  3. Step 3: Cross multiply
    185,116.80x = 277,675.20 × 66,806.40
  4. Step 4: Simplify right side
    185,116.80x = 18,550,480,481.28
  5. Step 5: Solve for x
    x = 18,550,480,481.28/185,116.80
  6. Step 6: Final answer
    x = 100,209.60

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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.