Home / 161,480.78-222,612.53-113,585.48

Finding the Fourth Proportional to 161,480.78, 222,612.53 and 113,585.48

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Solution

The fourth proportional to 161,480.78, 222,612.53 and 113,585.48 is: 156,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,480.78 : 222,612.53 = 113,585.48 : x
  2. Step 2: Convert to fraction form
    161,480.78/222,612.53 = 113,585.48/x
  3. Step 3: Cross multiply
    161,480.78x = 222,612.53 × 113,585.48
  4. Step 4: Simplify right side
    161,480.78x = 25,285,550,227.87
  5. Step 5: Solve for x
    x = 25,285,550,227.87/161,480.78
  6. Step 6: Final answer
    x = 156,585.51

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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.