Home / 141,280.70-211,789.29-47,721.02

Finding the Fourth Proportional to 141,280.70, 211,789.29 and 47,721.02

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Solution

The fourth proportional to 141,280.70, 211,789.29 and 47,721.02 is: 71,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,280.70 : 211,789.29 = 47,721.02 : x
  2. Step 2: Convert to fraction form
    141,280.70/211,789.29 = 47,721.02/x
  3. Step 3: Cross multiply
    141,280.70x = 211,789.29 × 47,721.02
  4. Step 4: Simplify right side
    141,280.70x = 10,106,800,943.88
  5. Step 5: Solve for x
    x = 10,106,800,943.88/141,280.70
  6. Step 6: Final answer
    x = 71,537.02

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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.