Home / 134,028.41-184,963.55-77,439.78

Finding the Fourth Proportional to 134,028.41, 184,963.55 and 77,439.78

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Solution

The fourth proportional to 134,028.41, 184,963.55 and 77,439.78 is: 106,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,028.41 : 184,963.55 = 77,439.78 : x
  2. Step 2: Convert to fraction form
    134,028.41/184,963.55 = 77,439.78/x
  3. Step 3: Cross multiply
    134,028.41x = 184,963.55 × 77,439.78
  4. Step 4: Simplify right side
    134,028.41x = 14,323,536,232.82
  5. Step 5: Solve for x
    x = 14,323,536,232.82/134,028.41
  6. Step 6: Final answer
    x = 106,869.41

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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.