Home / 119,683.17-165,155.27-65,965.23

Finding the Fourth Proportional to 119,683.17, 165,155.27 and 65,965.23

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Solution

The fourth proportional to 119,683.17, 165,155.27 and 65,965.23 is: 91,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,683.17 : 165,155.27 = 65,965.23 : x
  2. Step 2: Convert to fraction form
    119,683.17/165,155.27 = 65,965.23/x
  3. Step 3: Cross multiply
    119,683.17x = 165,155.27 × 65,965.23
  4. Step 4: Simplify right side
    119,683.17x = 10,894,505,041.44
  5. Step 5: Solve for x
    x = 10,894,505,041.44/119,683.17
  6. Step 6: Final answer
    x = 91,027.88

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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.