Home / 109,084.10-163,625.55-30,197.78

Finding the Fourth Proportional to 109,084.10, 163,625.55 and 30,197.78

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Solution

The fourth proportional to 109,084.10, 163,625.55 and 30,197.78 is: 45,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,084.10 : 163,625.55 = 30,197.78 : x
  2. Step 2: Convert to fraction form
    109,084.10/163,625.55 = 30,197.78/x
  3. Step 3: Cross multiply
    109,084.10x = 163,625.55 × 30,197.78
  4. Step 4: Simplify right side
    109,084.10x = 4,941,128,361.28
  5. Step 5: Solve for x
    x = 4,941,128,361.28/109,084.10
  6. Step 6: Final answer
    x = 45,296.50

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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.