Home / 156,537.54-215,859.42-133,951.28

Finding the Fourth Proportional to 156,537.54, 215,859.42 and 133,951.28

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Solution

The fourth proportional to 156,537.54, 215,859.42 and 133,951.28 is: 184,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,537.54 : 215,859.42 = 133,951.28 : x
  2. Step 2: Convert to fraction form
    156,537.54/215,859.42 = 133,951.28/x
  3. Step 3: Cross multiply
    156,537.54x = 215,859.42 × 133,951.28
  4. Step 4: Simplify right side
    156,537.54x = 28,914,645,609.06
  5. Step 5: Solve for x
    x = 28,914,645,609.06/156,537.54
  6. Step 6: Final answer
    x = 184,713.81

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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.