Home / 209,923.48-314,806.85-67,733.04

Finding the Fourth Proportional to 209,923.48, 314,806.85 and 67,733.04

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Solution

The fourth proportional to 209,923.48, 314,806.85 and 67,733.04 is: 101,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,923.48 : 314,806.85 = 67,733.04 : x
  2. Step 2: Convert to fraction form
    209,923.48/314,806.85 = 67,733.04/x
  3. Step 3: Cross multiply
    209,923.48x = 314,806.85 × 67,733.04
  4. Step 4: Simplify right side
    209,923.48x = 21,322,824,624.66
  5. Step 5: Solve for x
    x = 21,322,824,624.66/209,923.48
  6. Step 6: Final answer
    x = 101,574.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.