Home / 135,106.03-186,446.91-73,853.47

Finding the Fourth Proportional to 135,106.03, 186,446.91 and 73,853.47

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Solution

The fourth proportional to 135,106.03, 186,446.91 and 73,853.47 is: 101,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,106.03 : 186,446.91 = 73,853.47 : x
  2. Step 2: Convert to fraction form
    135,106.03/186,446.91 = 73,853.47/x
  3. Step 3: Cross multiply
    135,106.03x = 186,446.91 × 73,853.47
  4. Step 4: Simplify right side
    135,106.03x = 13,769,751,274.28
  5. Step 5: Solve for x
    x = 13,769,751,274.28/135,106.03
  6. Step 6: Final answer
    x = 101,918.11

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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.