Home / 209,746.68-314,498.52-143,267.15

Finding the Fourth Proportional to 209,746.68, 314,498.52 and 143,267.15

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Solution

The fourth proportional to 209,746.68, 314,498.52 and 143,267.15 is: 214,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,746.68 : 314,498.52 = 143,267.15 : x
  2. Step 2: Convert to fraction form
    209,746.68/314,498.52 = 143,267.15/x
  3. Step 3: Cross multiply
    209,746.68x = 314,498.52 × 143,267.15
  4. Step 4: Simplify right side
    209,746.68x = 45,057,305,067.13
  5. Step 5: Solve for x
    x = 45,057,305,067.13/209,746.68
  6. Step 6: Final answer
    x = 214,817.73

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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.