Home / 192,515.76-289,025.15-154,585.29

Finding the Fourth Proportional to 192,515.76, 289,025.15 and 154,585.29

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Solution

The fourth proportional to 192,515.76, 289,025.15 and 154,585.29 is: 232,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,515.76 : 289,025.15 = 154,585.29 : x
  2. Step 2: Convert to fraction form
    192,515.76/289,025.15 = 154,585.29/x
  3. Step 3: Cross multiply
    192,515.76x = 289,025.15 × 154,585.29
  4. Step 4: Simplify right side
    192,515.76x = 44,679,036,630.04
  5. Step 5: Solve for x
    x = 44,679,036,630.04/192,515.76
  6. Step 6: Final answer
    x = 232,079.89

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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.