Home / 119,581.36-165,019.04-68,602.64

Finding the Fourth Proportional to 119,581.36, 165,019.04 and 68,602.64

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Solution

The fourth proportional to 119,581.36, 165,019.04 and 68,602.64 is: 94,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,581.36 : 165,019.04 = 68,602.64 : x
  2. Step 2: Convert to fraction form
    119,581.36/165,019.04 = 68,602.64/x
  3. Step 3: Cross multiply
    119,581.36x = 165,019.04 × 68,602.64
  4. Step 4: Simplify right side
    119,581.36x = 11,320,741,794.27
  5. Step 5: Solve for x
    x = 11,320,741,794.27/119,581.36
  6. Step 6: Final answer
    x = 94,669.79

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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.