Home / 134,994.87-186,292.04-74,569.41

Finding the Fourth Proportional to 134,994.87, 186,292.04 and 74,569.41

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Solution

The fourth proportional to 134,994.87, 186,292.04 and 74,569.41 is: 102,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,994.87 : 186,292.04 = 74,569.41 : x
  2. Step 2: Convert to fraction form
    134,994.87/186,292.04 = 74,569.41/x
  3. Step 3: Cross multiply
    134,994.87x = 186,292.04 × 74,569.41
  4. Step 4: Simplify right side
    134,994.87x = 13,891,687,137.65
  5. Step 5: Solve for x
    x = 13,891,687,137.65/134,994.87
  6. Step 6: Final answer
    x = 102,905.30

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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.