Home / 134,993.62-186,290.31-74,568.16

Finding the Fourth Proportional to 134,993.62, 186,290.31 and 74,568.16

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Solution

The fourth proportional to 134,993.62, 186,290.31 and 74,568.16 is: 102,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,993.62 : 186,290.31 = 74,568.16 : x
  2. Step 2: Convert to fraction form
    134,993.62/186,290.31 = 74,568.16/x
  3. Step 3: Cross multiply
    134,993.62x = 186,290.31 × 74,568.16
  4. Step 4: Simplify right side
    134,993.62x = 13,891,325,642.53
  5. Step 5: Solve for x
    x = 13,891,325,642.53/134,993.62
  6. Step 6: Final answer
    x = 102,903.57

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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.