Home / 445,630.29-668,398.03-125,774.25

Finding the Fourth Proportional to 445,630.29, 668,398.03 and 125,774.25

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Solution

The fourth proportional to 445,630.29, 668,398.03 and 125,774.25 is: 188,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,630.29 : 668,398.03 = 125,774.25 : x
  2. Step 2: Convert to fraction form
    445,630.29/668,398.03 = 125,774.25/x
  3. Step 3: Cross multiply
    445,630.29x = 668,398.03 × 125,774.25
  4. Step 4: Simplify right side
    445,630.29x = 84,067,260,924.73
  5. Step 5: Solve for x
    x = 84,067,260,924.73/445,630.29
  6. Step 6: Final answer
    x = 188,648.00

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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.