Home / 93,531.60-140,297.40-83,617.20

Finding the Fourth Proportional to 93,531.60, 140,297.40 and 83,617.20

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Solution

The fourth proportional to 93,531.60, 140,297.40 and 83,617.20 is: 125,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,531.60 : 140,297.40 = 83,617.20 : x
  2. Step 2: Convert to fraction form
    93,531.60/140,297.40 = 83,617.20/x
  3. Step 3: Cross multiply
    93,531.60x = 140,297.40 × 83,617.20
  4. Step 4: Simplify right side
    93,531.60x = 11,731,275,755.28
  5. Step 5: Solve for x
    x = 11,731,275,755.28/93,531.60
  6. Step 6: Final answer
    x = 125,425.80

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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.