Home / 303,995.24-456,015.78-90,746.32

Finding the Fourth Proportional to 303,995.24, 456,015.78 and 90,746.32

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Solution

The fourth proportional to 303,995.24, 456,015.78 and 90,746.32 is: 136,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,995.24 : 456,015.78 = 90,746.32 : x
  2. Step 2: Convert to fraction form
    303,995.24/456,015.78 = 90,746.32/x
  3. Step 3: Cross multiply
    303,995.24x = 456,015.78 × 90,746.32
  4. Step 4: Simplify right side
    303,995.24x = 41,381,753,896.93
  5. Step 5: Solve for x
    x = 41,381,753,896.93/303,995.24
  6. Step 6: Final answer
    x = 136,126.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.