Home / 192,401.87-288,607.73-91,176.17

Finding the Fourth Proportional to 192,401.87, 288,607.73 and 91,176.17

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Solution

The fourth proportional to 192,401.87, 288,607.73 and 91,176.17 is: 136,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,401.87 : 288,607.73 = 91,176.17 : x
  2. Step 2: Convert to fraction form
    192,401.87/288,607.73 = 91,176.17/x
  3. Step 3: Cross multiply
    192,401.87x = 288,607.73 × 91,176.17
  4. Step 4: Simplify right side
    192,401.87x = 26,314,145,554.87
  5. Step 5: Solve for x
    x = 26,314,145,554.87/192,401.87
  6. Step 6: Final answer
    x = 136,766.58

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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.