Home / 135,450.53-186,924.83-74,202.57

Finding the Fourth Proportional to 135,450.53, 186,924.83 and 74,202.57

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Solution

The fourth proportional to 135,450.53, 186,924.83 and 74,202.57 is: 102,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,450.53 : 186,924.83 = 74,202.57 : x
  2. Step 2: Convert to fraction form
    135,450.53/186,924.83 = 74,202.57/x
  3. Step 3: Cross multiply
    135,450.53x = 186,924.83 × 74,202.57
  4. Step 4: Simplify right side
    135,450.53x = 13,870,301,848.19
  5. Step 5: Solve for x
    x = 13,870,301,848.19/135,450.53
  6. Step 6: Final answer
    x = 102,401.24

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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.