Home / 136,068.58-187,778.49-82,363.30

Finding the Fourth Proportional to 136,068.58, 187,778.49 and 82,363.30

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Solution

The fourth proportional to 136,068.58, 187,778.49 and 82,363.30 is: 113,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,068.58 : 187,778.49 = 82,363.30 : x
  2. Step 2: Convert to fraction form
    136,068.58/187,778.49 = 82,363.30/x
  3. Step 3: Cross multiply
    136,068.58x = 187,778.49 × 82,363.30
  4. Step 4: Simplify right side
    136,068.58x = 15,466,056,105.42
  5. Step 5: Solve for x
    x = 15,466,056,105.42/136,068.58
  6. Step 6: Final answer
    x = 113,663.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.