Home / 128,896.79-193,299.04-44,634.32

Finding the Fourth Proportional to 128,896.79, 193,299.04 and 44,634.32

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Solution

The fourth proportional to 128,896.79, 193,299.04 and 44,634.32 is: 66,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,896.79 : 193,299.04 = 44,634.32 : x
  2. Step 2: Convert to fraction form
    128,896.79/193,299.04 = 44,634.32/x
  3. Step 3: Cross multiply
    128,896.79x = 193,299.04 × 44,634.32
  4. Step 4: Simplify right side
    128,896.79x = 8,627,772,108.53
  5. Step 5: Solve for x
    x = 8,627,772,108.53/128,896.79
  6. Step 6: Final answer
    x = 66,935.51

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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.