Home / 135,102.91-186,442.74-73,849.18

Finding the Fourth Proportional to 135,102.91, 186,442.74 and 73,849.18

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Solution

The fourth proportional to 135,102.91, 186,442.74 and 73,849.18 is: 101,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,102.91 : 186,442.74 = 73,849.18 : x
  2. Step 2: Convert to fraction form
    135,102.91/186,442.74 = 73,849.18/x
  3. Step 3: Cross multiply
    135,102.91x = 186,442.74 × 73,849.18
  4. Step 4: Simplify right side
    135,102.91x = 13,768,643,276.78
  5. Step 5: Solve for x
    x = 13,768,643,276.78/135,102.91
  6. Step 6: Final answer
    x = 101,912.26

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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.