Home / 133,565.52-184,309.92-76,981.44

Finding the Fourth Proportional to 133,565.52, 184,309.92 and 76,981.44

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Solution

The fourth proportional to 133,565.52, 184,309.92 and 76,981.44 is: 106,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,565.52 : 184,309.92 = 76,981.44 : x
  2. Step 2: Convert to fraction form
    133,565.52/184,309.92 = 76,981.44/x
  3. Step 3: Cross multiply
    133,565.52x = 184,309.92 × 76,981.44
  4. Step 4: Simplify right side
    133,565.52x = 14,188,443,047.88
  5. Step 5: Solve for x
    x = 14,188,443,047.88/133,565.52
  6. Step 6: Final answer
    x = 106,228.34

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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.