Home / 133,429.24-184,131.60-72,998.76

Finding the Fourth Proportional to 133,429.24, 184,131.60 and 72,998.76

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Solution

The fourth proportional to 133,429.24, 184,131.60 and 72,998.76 is: 100,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,429.24 : 184,131.60 = 72,998.76 : x
  2. Step 2: Convert to fraction form
    133,429.24/184,131.60 = 72,998.76/x
  3. Step 3: Cross multiply
    133,429.24x = 184,131.60 × 72,998.76
  4. Step 4: Simplify right side
    133,429.24x = 13,441,378,476.82
  5. Step 5: Solve for x
    x = 13,441,378,476.82/133,429.24
  6. Step 6: Final answer
    x = 100,737.88

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1.5x scale

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.