Home / 135,215.01-186,593.25-74,784.15

Finding the Fourth Proportional to 135,215.01, 186,593.25 and 74,784.15

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Solution

The fourth proportional to 135,215.01, 186,593.25 and 74,784.15 is: 103,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,215.01 : 186,593.25 = 74,784.15 : x
  2. Step 2: Convert to fraction form
    135,215.01/186,593.25 = 74,784.15/x
  3. Step 3: Cross multiply
    135,215.01x = 186,593.25 × 74,784.15
  4. Step 4: Simplify right side
    135,215.01x = 13,954,217,596.99
  5. Step 5: Solve for x
    x = 13,954,217,596.99/135,215.01
  6. Step 6: Final answer
    x = 103,200.21

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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.