Home / 144,067.47-198,839.13-85,927.94

Finding the Fourth Proportional to 144,067.47, 198,839.13 and 85,927.94

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Solution

The fourth proportional to 144,067.47, 198,839.13 and 85,927.94 is: 118,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,067.47 : 198,839.13 = 85,927.94 : x
  2. Step 2: Convert to fraction form
    144,067.47/198,839.13 = 85,927.94/x
  3. Step 3: Cross multiply
    144,067.47x = 198,839.13 × 85,927.94
  4. Step 4: Simplify right side
    144,067.47x = 17,085,835,838.10
  5. Step 5: Solve for x
    x = 17,085,835,838.10/144,067.47
  6. Step 6: Final answer
    x = 118,596.07

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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.