Home / 141,214.74-211,815.63-47,721.30

Finding the Fourth Proportional to 141,214.74, 211,815.63 and 47,721.30

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Solution

The fourth proportional to 141,214.74, 211,815.63 and 47,721.30 is: 71,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,214.74 : 211,815.63 = 47,721.30 : x
  2. Step 2: Convert to fraction form
    141,214.74/211,815.63 = 47,721.30/x
  3. Step 3: Cross multiply
    141,214.74x = 211,815.63 × 47,721.30
  4. Step 4: Simplify right side
    141,214.74x = 10,108,117,223.92
  5. Step 5: Solve for x
    x = 10,108,117,223.92/141,214.74
  6. Step 6: Final answer
    x = 71,579.76

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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.