Home / 151,750.44-209,416.32-83,766.17

Finding the Fourth Proportional to 151,750.44, 209,416.32 and 83,766.17

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Solution

The fourth proportional to 151,750.44, 209,416.32 and 83,766.17 is: 115,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,750.44 : 209,416.32 = 83,766.17 : x
  2. Step 2: Convert to fraction form
    151,750.44/209,416.32 = 83,766.17/x
  3. Step 3: Cross multiply
    151,750.44x = 209,416.32 × 83,766.17
  4. Step 4: Simplify right side
    151,750.44x = 17,542,003,585.44
  5. Step 5: Solve for x
    x = 17,542,003,585.44/151,750.44
  6. Step 6: Final answer
    x = 115,597.71

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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.