Home / 156,013.16-215,299.21-95,583.92

Finding the Fourth Proportional to 156,013.16, 215,299.21 and 95,583.92

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Solution

The fourth proportional to 156,013.16, 215,299.21 and 95,583.92 is: 131,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,013.16 : 215,299.21 = 95,583.92 : x
  2. Step 2: Convert to fraction form
    156,013.16/215,299.21 = 95,583.92/x
  3. Step 3: Cross multiply
    156,013.16x = 215,299.21 × 95,583.92
  4. Step 4: Simplify right side
    156,013.16x = 20,579,141,388.21
  5. Step 5: Solve for x
    x = 20,579,141,388.21/156,013.16
  6. Step 6: Final answer
    x = 131,906.45

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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.