Home / 133,397.49-184,150.58-78,932.54

Finding the Fourth Proportional to 133,397.49, 184,150.58 and 78,932.54

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Solution

The fourth proportional to 133,397.49, 184,150.58 and 78,932.54 is: 108,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,397.49 : 184,150.58 = 78,932.54 : x
  2. Step 2: Convert to fraction form
    133,397.49/184,150.58 = 78,932.54/x
  3. Step 3: Cross multiply
    133,397.49x = 184,150.58 × 78,932.54
  4. Step 4: Simplify right side
    133,397.49x = 14,535,471,706.46
  5. Step 5: Solve for x
    x = 14,535,471,706.46/133,397.49
  6. Step 6: Final answer
    x = 108,963.61

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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.