Home / 135,182.95-186,553.68-74,757.66

Finding the Fourth Proportional to 135,182.95, 186,553.68 and 74,757.66

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Solution

The fourth proportional to 135,182.95, 186,553.68 and 74,757.66 is: 103,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,182.95 : 186,553.68 = 74,757.66 : x
  2. Step 2: Convert to fraction form
    135,182.95/186,553.68 = 74,757.66/x
  3. Step 3: Cross multiply
    135,182.95x = 186,553.68 × 74,757.66
  4. Step 4: Simplify right side
    135,182.95x = 13,946,316,581.19
  5. Step 5: Solve for x
    x = 13,946,316,581.19/135,182.95
  6. Step 6: Final answer
    x = 103,166.24

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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.