Home / 192,154.36-288,002.23-89,433.46

Finding the Fourth Proportional to 192,154.36, 288,002.23 and 89,433.46

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Solution

The fourth proportional to 192,154.36, 288,002.23 and 89,433.46 is: 134,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,154.36 : 288,002.23 = 89,433.46 : x
  2. Step 2: Convert to fraction form
    192,154.36/288,002.23 = 89,433.46/x
  3. Step 3: Cross multiply
    192,154.36x = 288,002.23 × 89,433.46
  4. Step 4: Simplify right side
    192,154.36x = 25,757,036,066.89
  5. Step 5: Solve for x
    x = 25,757,036,066.89/192,154.36
  6. Step 6: Final answer
    x = 134,043.46

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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.