Home / 262,853.40-394,280.10-122,626.20

Finding the Fourth Proportional to 262,853.40, 394,280.10 and 122,626.20

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Solution

The fourth proportional to 262,853.40, 394,280.10 and 122,626.20 is: 183,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,853.40 : 394,280.10 = 122,626.20 : x
  2. Step 2: Convert to fraction form
    262,853.40/394,280.10 = 122,626.20/x
  3. Step 3: Cross multiply
    262,853.40x = 394,280.10 × 122,626.20
  4. Step 4: Simplify right side
    262,853.40x = 48,349,070,398.62
  5. Step 5: Solve for x
    x = 48,349,070,398.62/262,853.40
  6. Step 6: Final answer
    x = 183,939.30

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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.