Home / 281,671.02-422,495.60-113,140.80

Finding the Fourth Proportional to 281,671.02, 422,495.60 and 113,140.80

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Solution

The fourth proportional to 281,671.02, 422,495.60 and 113,140.80 is: 169,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,671.02 : 422,495.60 = 113,140.80 : x
  2. Step 2: Convert to fraction form
    281,671.02/422,495.60 = 113,140.80/x
  3. Step 3: Cross multiply
    281,671.02x = 422,495.60 × 113,140.80
  4. Step 4: Simplify right side
    281,671.02x = 47,801,489,614.78
  5. Step 5: Solve for x
    x = 47,801,489,614.78/281,671.02
  6. Step 6: Final answer
    x = 169,706.81

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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.