Home / 209,789.22-314,651.18-115,066.00

Finding the Fourth Proportional to 209,789.22, 314,651.18 and 115,066.00

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Solution

The fourth proportional to 209,789.22, 314,651.18 and 115,066.00 is: 172,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,789.22 : 314,651.18 = 115,066.00 : x
  2. Step 2: Convert to fraction form
    209,789.22/314,651.18 = 115,066.00/x
  3. Step 3: Cross multiply
    209,789.22x = 314,651.18 × 115,066.00
  4. Step 4: Simplify right side
    209,789.22x = 36,205,653,358.86
  5. Step 5: Solve for x
    x = 36,205,653,358.86/209,789.22
  6. Step 6: Final answer
    x = 172,581.09

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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.