Home / 156,313.45-215,593.56-134,546.77

Finding the Fourth Proportional to 156,313.45, 215,593.56 and 134,546.77

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Solution

The fourth proportional to 156,313.45, 215,593.56 and 134,546.77 is: 185,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,313.45 : 215,593.56 = 134,546.77 : x
  2. Step 2: Convert to fraction form
    156,313.45/215,593.56 = 134,546.77/x
  3. Step 3: Cross multiply
    156,313.45x = 215,593.56 × 134,546.77
  4. Step 4: Simplify right side
    156,313.45x = 29,007,415,919.08
  5. Step 5: Solve for x
    x = 29,007,415,919.08/156,313.45
  6. Step 6: Final answer
    x = 185,572.11

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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.