Home / 136,888.04-205,331.22-55,834.75

Finding the Fourth Proportional to 136,888.04, 205,331.22 and 55,834.75

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Solution

The fourth proportional to 136,888.04, 205,331.22 and 55,834.75 is: 83,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,888.04 : 205,331.22 = 55,834.75 : x
  2. Step 2: Convert to fraction form
    136,888.04/205,331.22 = 55,834.75/x
  3. Step 3: Cross multiply
    136,888.04x = 205,331.22 × 55,834.75
  4. Step 4: Simplify right side
    136,888.04x = 11,464,617,592.56
  5. Step 5: Solve for x
    x = 11,464,617,592.56/136,888.04
  6. Step 6: Final answer
    x = 83,751.78

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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.