Home / 191,020.56-263,603.16-106,135.44

Finding the Fourth Proportional to 191,020.56, 263,603.16 and 106,135.44

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Solution

The fourth proportional to 191,020.56, 263,603.16 and 106,135.44 is: 146,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,020.56 : 263,603.16 = 106,135.44 : x
  2. Step 2: Convert to fraction form
    191,020.56/263,603.16 = 106,135.44/x
  3. Step 3: Cross multiply
    191,020.56x = 263,603.16 × 106,135.44
  4. Step 4: Simplify right side
    191,020.56x = 27,977,637,371.99
  5. Step 5: Solve for x
    x = 27,977,637,371.99/191,020.56
  6. Step 6: Final answer
    x = 146,464.01

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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.