Home / 109,084.80-163,627.20-107,529.60

Finding the Fourth Proportional to 109,084.80, 163,627.20 and 107,529.60

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Solution

The fourth proportional to 109,084.80, 163,627.20 and 107,529.60 is: 161,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,084.80 : 163,627.20 = 107,529.60 : x
  2. Step 2: Convert to fraction form
    109,084.80/163,627.20 = 107,529.60/x
  3. Step 3: Cross multiply
    109,084.80x = 163,627.20 × 107,529.60
  4. Step 4: Simplify right side
    109,084.80x = 17,594,767,365.12
  5. Step 5: Solve for x
    x = 17,594,767,365.12/109,084.80
  6. Step 6: Final answer
    x = 161,294.40

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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.