Home / 119,340.36-164,693.97-65,629.53

Finding the Fourth Proportional to 119,340.36, 164,693.97 and 65,629.53

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Solution

The fourth proportional to 119,340.36, 164,693.97 and 65,629.53 is: 90,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,340.36 : 164,693.97 = 65,629.53 : x
  2. Step 2: Convert to fraction form
    119,340.36/164,693.97 = 65,629.53/x
  3. Step 3: Cross multiply
    119,340.36x = 164,693.97 × 65,629.53
  4. Step 4: Simplify right side
    119,340.36x = 10,808,787,844.93
  5. Step 5: Solve for x
    x = 10,808,787,844.93/119,340.36
  6. Step 6: Final answer
    x = 90,571.10

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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.