Home / 136,698.06-204,948.66-83,998.65

Finding the Fourth Proportional to 136,698.06, 204,948.66 and 83,998.65

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Solution

The fourth proportional to 136,698.06, 204,948.66 and 83,998.65 is: 125,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,698.06 : 204,948.66 = 83,998.65 : x
  2. Step 2: Convert to fraction form
    136,698.06/204,948.66 = 83,998.65/x
  3. Step 3: Cross multiply
    136,698.06x = 204,948.66 × 83,998.65
  4. Step 4: Simplify right side
    136,698.06x = 17,215,410,759.31
  5. Step 5: Solve for x
    x = 17,215,410,759.31/136,698.06
  6. Step 6: Final answer
    x = 125,937.49

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1.5x scale

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.