Home / 136,310.40-188,117.46-82,600.70

Finding the Fourth Proportional to 136,310.40, 188,117.46 and 82,600.70

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Solution

The fourth proportional to 136,310.40, 188,117.46 and 82,600.70 is: 113,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,310.40 : 188,117.46 = 82,600.70 : x
  2. Step 2: Convert to fraction form
    136,310.40/188,117.46 = 82,600.70/x
  3. Step 3: Cross multiply
    136,310.40x = 188,117.46 × 82,600.70
  4. Step 4: Simplify right side
    136,310.40x = 15,538,633,878.22
  5. Step 5: Solve for x
    x = 15,538,633,878.22/136,310.40
  6. Step 6: Final answer
    x = 113,994.49

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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.