Home / 119,220.07-164,523.20-65,504.92

Finding the Fourth Proportional to 119,220.07, 164,523.20 and 65,504.92

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Solution

The fourth proportional to 119,220.07, 164,523.20 and 65,504.92 is: 90,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,220.07 : 164,523.20 = 65,504.92 : x
  2. Step 2: Convert to fraction form
    119,220.07/164,523.20 = 65,504.92/x
  3. Step 3: Cross multiply
    119,220.07x = 164,523.20 × 65,504.92
  4. Step 4: Simplify right side
    119,220.07x = 10,777,078,726.62
  5. Step 5: Solve for x
    x = 10,777,078,726.62/119,220.07
  6. Step 6: Final answer
    x = 90,396.51

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1.5x scale

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.