Home / 192,188.12-288,118.15-135,851.00

Finding the Fourth Proportional to 192,188.12, 288,118.15 and 135,851.00

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Solution

The fourth proportional to 192,188.12, 288,118.15 and 135,851.00 is: 203,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,188.12 : 288,118.15 = 135,851.00 : x
  2. Step 2: Convert to fraction form
    192,188.12/288,118.15 = 135,851.00/x
  3. Step 3: Cross multiply
    192,188.12x = 288,118.15 × 135,851.00
  4. Step 4: Simplify right side
    192,188.12x = 39,141,137,015.43
  5. Step 5: Solve for x
    x = 39,141,137,015.43/192,188.12
  6. Step 6: Final answer
    x = 203,660.55

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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.