Home / 119,512.03-164,920.35-65,786.56

Finding the Fourth Proportional to 119,512.03, 164,920.35 and 65,786.56

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Solution

The fourth proportional to 119,512.03, 164,920.35 and 65,786.56 is: 90,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,512.03 : 164,920.35 = 65,786.56 : x
  2. Step 2: Convert to fraction form
    119,512.03/164,920.35 = 65,786.56/x
  3. Step 3: Cross multiply
    119,512.03x = 164,920.35 × 65,786.56
  4. Step 4: Simplify right side
    119,512.03x = 10,849,542,500.50
  5. Step 5: Solve for x
    x = 10,849,542,500.50/119,512.03
  6. Step 6: Final answer
    x = 90,782.01

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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.