Home / 135,056.66-186,381.99-74,631.24

Finding the Fourth Proportional to 135,056.66, 186,381.99 and 74,631.24

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Solution

The fourth proportional to 135,056.66, 186,381.99 and 74,631.24 is: 102,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,056.66 : 186,381.99 = 74,631.24 : x
  2. Step 2: Convert to fraction form
    135,056.66/186,381.99 = 74,631.24/x
  3. Step 3: Cross multiply
    135,056.66x = 186,381.99 × 74,631.24
  4. Step 4: Simplify right side
    135,056.66x = 13,909,919,027.37
  5. Step 5: Solve for x
    x = 13,909,919,027.37/135,056.66
  6. Step 6: Final answer
    x = 102,993.21

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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.