Home / 119,122.24-164,394.66-65,406.64

Finding the Fourth Proportional to 119,122.24, 164,394.66 and 65,406.64

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Solution

The fourth proportional to 119,122.24, 164,394.66 and 65,406.64 is: 90,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,122.24 : 164,394.66 = 65,406.64 : x
  2. Step 2: Convert to fraction form
    119,122.24/164,394.66 = 65,406.64/x
  3. Step 3: Cross multiply
    119,122.24x = 164,394.66 × 65,406.64
  4. Step 4: Simplify right side
    119,122.24x = 10,752,502,344.54
  5. Step 5: Solve for x
    x = 10,752,502,344.54/119,122.24
  6. Step 6: Final answer
    x = 90,264.44

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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.