Home / 113,531.60-170,297.40-54,336.80

Finding the Fourth Proportional to 113,531.60, 170,297.40 and 54,336.80

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Solution

The fourth proportional to 113,531.60, 170,297.40 and 54,336.80 is: 81,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,531.60 : 170,297.40 = 54,336.80 : x
  2. Step 2: Convert to fraction form
    113,531.60/170,297.40 = 54,336.80/x
  3. Step 3: Cross multiply
    113,531.60x = 170,297.40 × 54,336.80
  4. Step 4: Simplify right side
    113,531.60x = 9,253,415,764.32
  5. Step 5: Solve for x
    x = 9,253,415,764.32/113,531.60
  6. Step 6: Final answer
    x = 81,505.20

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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.