Home / 135,232.57-186,604.75-74,795.05

Finding the Fourth Proportional to 135,232.57, 186,604.75 and 74,795.05

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Solution

The fourth proportional to 135,232.57, 186,604.75 and 74,795.05 is: 103,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,232.57 : 186,604.75 = 74,795.05 : x
  2. Step 2: Convert to fraction form
    135,232.57/186,604.75 = 74,795.05/x
  3. Step 3: Cross multiply
    135,232.57x = 186,604.75 × 74,795.05
  4. Step 4: Simplify right side
    135,232.57x = 13,957,111,606.49
  5. Step 5: Solve for x
    x = 13,957,111,606.49/135,232.57
  6. Step 6: Final answer
    x = 103,208.21

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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.