Home / 119,661.47-165,133.91-65,948.43

Finding the Fourth Proportional to 119,661.47, 165,133.91 and 65,948.43

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Solution

The fourth proportional to 119,661.47, 165,133.91 and 65,948.43 is: 91,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,661.47 : 165,133.91 = 65,948.43 : x
  2. Step 2: Convert to fraction form
    119,661.47/165,133.91 = 65,948.43/x
  3. Step 3: Cross multiply
    119,661.47x = 165,133.91 × 65,948.43
  4. Step 4: Simplify right side
    119,661.47x = 10,890,322,269.13
  5. Step 5: Solve for x
    x = 10,890,322,269.13/119,661.47
  6. Step 6: Final answer
    x = 91,009.43

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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.