Home / 169,091.18-253,640.87-56,775.06

Finding the Fourth Proportional to 169,091.18, 253,640.87 and 56,775.06

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Solution

The fourth proportional to 169,091.18, 253,640.87 and 56,775.06 is: 85,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,091.18 : 253,640.87 = 56,775.06 : x
  2. Step 2: Convert to fraction form
    169,091.18/253,640.87 = 56,775.06/x
  3. Step 3: Cross multiply
    169,091.18x = 253,640.87 × 56,775.06
  4. Step 4: Simplify right side
    169,091.18x = 14,400,475,541.73
  5. Step 5: Solve for x
    x = 14,400,475,541.73/169,091.18
  6. Step 6: Final answer
    x = 85,163.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.