Home / 235,917.77-353,712.62-121,789.17

Finding the Fourth Proportional to 235,917.77, 353,712.62 and 121,789.17

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Solution

The fourth proportional to 235,917.77, 353,712.62 and 121,789.17 is: 182,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,917.77 : 353,712.62 = 121,789.17 : x
  2. Step 2: Convert to fraction form
    235,917.77/353,712.62 = 121,789.17/x
  3. Step 3: Cross multiply
    235,917.77x = 353,712.62 × 121,789.17
  4. Step 4: Simplify right side
    235,917.77x = 43,078,366,712.80
  5. Step 5: Solve for x
    x = 43,078,366,712.80/235,917.77
  6. Step 6: Final answer
    x = 182,599.08

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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.