Home / 192,401.34-288,607.08-91,175.64

Finding the Fourth Proportional to 192,401.34, 288,607.08 and 91,175.64

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Solution

The fourth proportional to 192,401.34, 288,607.08 and 91,175.64 is: 136,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,401.34 : 288,607.08 = 91,175.64 : x
  2. Step 2: Convert to fraction form
    192,401.34/288,607.08 = 91,175.64/x
  3. Step 3: Cross multiply
    192,401.34x = 288,607.08 × 91,175.64
  4. Step 4: Simplify right side
    192,401.34x = 26,313,935,227.53
  5. Step 5: Solve for x
    x = 26,313,935,227.53/192,401.34
  6. Step 6: Final answer
    x = 136,765.86

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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.