Home / 451,255.40-676,883.10-185,206.85

Finding the Fourth Proportional to 451,255.40, 676,883.10 and 185,206.85

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Solution

The fourth proportional to 451,255.40, 676,883.10 and 185,206.85 is: 277,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,255.40 : 676,883.10 = 185,206.85 : x
  2. Step 2: Convert to fraction form
    451,255.40/676,883.10 = 185,206.85/x
  3. Step 3: Cross multiply
    451,255.40x = 676,883.10 × 185,206.85
  4. Step 4: Simplify right side
    451,255.40x = 125,363,386,769.24
  5. Step 5: Solve for x
    x = 125,363,386,769.24/451,255.40
  6. Step 6: Final answer
    x = 277,810.28

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Similar ratio
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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.