Home / 148,943.04-205,716.88-98,554.56

Finding the Fourth Proportional to 148,943.04, 205,716.88 and 98,554.56

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Solution

The fourth proportional to 148,943.04, 205,716.88 and 98,554.56 is: 136,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,943.04 : 205,716.88 = 98,554.56 : x
  2. Step 2: Convert to fraction form
    148,943.04/205,716.88 = 98,554.56/x
  3. Step 3: Cross multiply
    148,943.04x = 205,716.88 × 98,554.56
  4. Step 4: Simplify right side
    148,943.04x = 20,274,336,592.97
  5. Step 5: Solve for x
    x = 20,274,336,592.97/148,943.04
  6. Step 6: Final answer
    x = 136,121.41

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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.