Home / 240,117.33-360,163-121,785.60

Finding the Fourth Proportional to 240,117.33, 360,163 and 121,785.60

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Solution

The fourth proportional to 240,117.33, 360,163 and 121,785.60 is: 182,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,117.33 : 360,163 = 121,785.60 : x
  2. Step 2: Convert to fraction form
    240,117.33/360,163 = 121,785.60/x
  3. Step 3: Cross multiply
    240,117.33x = 360,163 × 121,785.60
  4. Step 4: Simplify right side
    240,117.33x = 43,862,667,052.80
  5. Step 5: Solve for x
    x = 43,862,667,052.80/240,117.33
  6. Step 6: Final answer
    x = 182,671.81

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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.