Home / 119,669.14-165,140.56-65,223.03

Finding the Fourth Proportional to 119,669.14, 165,140.56 and 65,223.03

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Solution

The fourth proportional to 119,669.14, 165,140.56 and 65,223.03 is: 90,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,669.14 : 165,140.56 = 65,223.03 : x
  2. Step 2: Convert to fraction form
    119,669.14/165,140.56 = 65,223.03/x
  3. Step 3: Cross multiply
    119,669.14x = 165,140.56 × 65,223.03
  4. Step 4: Simplify right side
    119,669.14x = 10,770,967,699.10
  5. Step 5: Solve for x
    x = 10,770,967,699.10/119,669.14
  6. Step 6: Final answer
    x = 90,006.23

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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.