Home / 148,587.90-204,811.62-121,682.94

Finding the Fourth Proportional to 148,587.90, 204,811.62 and 121,682.94

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Solution

The fourth proportional to 148,587.90, 204,811.62 and 121,682.94 is: 167,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,587.90 : 204,811.62 = 121,682.94 : x
  2. Step 2: Convert to fraction form
    148,587.90/204,811.62 = 121,682.94/x
  3. Step 3: Cross multiply
    148,587.90x = 204,811.62 × 121,682.94
  4. Step 4: Simplify right side
    148,587.90x = 24,922,080,067.76
  5. Step 5: Solve for x
    x = 24,922,080,067.76/148,587.90
  6. Step 6: Final answer
    x = 167,726.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.