Home / 119,749.90-165,265.92-68,769.31

Finding the Fourth Proportional to 119,749.90, 165,265.92 and 68,769.31

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Solution

The fourth proportional to 119,749.90, 165,265.92 and 68,769.31 is: 94,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,749.90 : 165,265.92 = 68,769.31 : x
  2. Step 2: Convert to fraction form
    119,749.90/165,265.92 = 68,769.31/x
  3. Step 3: Cross multiply
    119,749.90x = 165,265.92 × 68,769.31
  4. Step 4: Simplify right side
    119,749.90x = 11,365,223,284.92
  5. Step 5: Solve for x
    x = 11,365,223,284.92/119,749.90
  6. Step 6: Final answer
    x = 94,908.00

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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.