Home / 141,724.28-212,616.40-46,949.09

Finding the Fourth Proportional to 141,724.28, 212,616.40 and 46,949.09

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Solution

The fourth proportional to 141,724.28, 212,616.40 and 46,949.09 is: 70,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,724.28 : 212,616.40 = 46,949.09 : x
  2. Step 2: Convert to fraction form
    141,724.28/212,616.40 = 46,949.09/x
  3. Step 3: Cross multiply
    141,724.28x = 212,616.40 × 46,949.09
  4. Step 4: Simplify right side
    141,724.28x = 9,982,146,499.08
  5. Step 5: Solve for x
    x = 9,982,146,499.08/141,724.28
  6. Step 6: Final answer
    x = 70,433.57

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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.