Home / 127,183.68-175,515.66-69,828.33

Finding the Fourth Proportional to 127,183.68, 175,515.66 and 69,828.33

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Solution

The fourth proportional to 127,183.68, 175,515.66 and 69,828.33 is: 96,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,183.68 : 175,515.66 = 69,828.33 : x
  2. Step 2: Convert to fraction form
    127,183.68/175,515.66 = 69,828.33/x
  3. Step 3: Cross multiply
    127,183.68x = 175,515.66 × 69,828.33
  4. Step 4: Simplify right side
    127,183.68x = 12,255,965,426.65
  5. Step 5: Solve for x
    x = 12,255,965,426.65/127,183.68
  6. Step 6: Final answer
    x = 96,364.29

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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.