Home / 161,540.26-222,921.86-101,144.20

Finding the Fourth Proportional to 161,540.26, 222,921.86 and 101,144.20

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Solution

The fourth proportional to 161,540.26, 222,921.86 and 101,144.20 is: 139,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,540.26 : 222,921.86 = 101,144.20 : x
  2. Step 2: Convert to fraction form
    161,540.26/222,921.86 = 101,144.20/x
  3. Step 3: Cross multiply
    161,540.26x = 222,921.86 × 101,144.20
  4. Step 4: Simplify right side
    161,540.26x = 22,547,252,129.19
  5. Step 5: Solve for x
    x = 22,547,252,129.19/161,540.26
  6. Step 6: Final answer
    x = 139,576.68

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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.