Home / 133,408.32-184,107.88-72,977.58

Finding the Fourth Proportional to 133,408.32, 184,107.88 and 72,977.58

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Solution

The fourth proportional to 133,408.32, 184,107.88 and 72,977.58 is: 100,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,408.32 : 184,107.88 = 72,977.58 : x
  2. Step 2: Convert to fraction form
    133,408.32/184,107.88 = 72,977.58/x
  3. Step 3: Cross multiply
    133,408.32x = 184,107.88 × 72,977.58
  4. Step 4: Simplify right side
    133,408.32x = 13,435,747,541.33
  5. Step 5: Solve for x
    x = 13,435,747,541.33/133,408.32
  6. Step 6: Final answer
    x = 100,711.47

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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.