Home / 141,579.78-212,304.24-52,809.54

Finding the Fourth Proportional to 141,579.78, 212,304.24 and 52,809.54

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Solution

The fourth proportional to 141,579.78, 212,304.24 and 52,809.54 is: 79,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,579.78 : 212,304.24 = 52,809.54 : x
  2. Step 2: Convert to fraction form
    141,579.78/212,304.24 = 52,809.54/x
  3. Step 3: Cross multiply
    141,579.78x = 212,304.24 × 52,809.54
  4. Step 4: Simplify right side
    141,579.78x = 11,211,689,254.45
  5. Step 5: Solve for x
    x = 11,211,689,254.45/141,579.78
  6. Step 6: Final answer
    x = 79,189.90

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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.