Home / 117,344-161,944.96-64,362.24

Finding the Fourth Proportional to 117,344, 161,944.96 and 64,362.24

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Solution

The fourth proportional to 117,344, 161,944.96 and 64,362.24 is: 88,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,344 : 161,944.96 = 64,362.24 : x
  2. Step 2: Convert to fraction form
    117,344/161,944.96 = 64,362.24/x
  3. Step 3: Cross multiply
    117,344x = 161,944.96 × 64,362.24
  4. Step 4: Simplify right side
    117,344x = 10,423,140,382.31
  5. Step 5: Solve for x
    x = 10,423,140,382.31/117,344
  6. Step 6: Final answer
    x = 88,825.51

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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.