Home / 226,544.32-312,639.20-124,577.60

Finding the Fourth Proportional to 226,544.32, 312,639.20 and 124,577.60

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Solution

The fourth proportional to 226,544.32, 312,639.20 and 124,577.60 is: 171,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,544.32 : 312,639.20 = 124,577.60 : x
  2. Step 2: Convert to fraction form
    226,544.32/312,639.20 = 124,577.60/x
  3. Step 3: Cross multiply
    226,544.32x = 312,639.20 × 124,577.60
  4. Step 4: Simplify right side
    226,544.32x = 38,947,841,201.92
  5. Step 5: Solve for x
    x = 38,947,841,201.92/226,544.32
  6. Step 6: Final answer
    x = 171,921.51

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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.