Home / 119,110.36-164,376.52-65,399.48

Finding the Fourth Proportional to 119,110.36, 164,376.52 and 65,399.48

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Solution

The fourth proportional to 119,110.36, 164,376.52 and 65,399.48 is: 90,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,110.36 : 164,376.52 = 65,399.48 : x
  2. Step 2: Convert to fraction form
    119,110.36/164,376.52 = 65,399.48/x
  3. Step 3: Cross multiply
    119,110.36x = 164,376.52 × 65,399.48
  4. Step 4: Simplify right side
    119,110.36x = 10,750,138,932.21
  5. Step 5: Solve for x
    x = 10,750,138,932.21/119,110.36
  6. Step 6: Final answer
    x = 90,253.60

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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.