Home / 192,419.32-288,634.02-91,193.62

Finding the Fourth Proportional to 192,419.32, 288,634.02 and 91,193.62

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Solution

The fourth proportional to 192,419.32, 288,634.02 and 91,193.62 is: 136,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,419.32 : 288,634.02 = 91,193.62 : x
  2. Step 2: Convert to fraction form
    192,419.32/288,634.02 = 91,193.62/x
  3. Step 3: Cross multiply
    192,419.32x = 288,634.02 × 91,193.62
  4. Step 4: Simplify right side
    192,419.32x = 26,321,581,138.95
  5. Step 5: Solve for x
    x = 26,321,581,138.95/192,419.32
  6. Step 6: Final answer
    x = 136,792.82

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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.