Home / 191,721.51-264,581.09-106,844.04

Finding the Fourth Proportional to 191,721.51, 264,581.09 and 106,844.04

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Solution

The fourth proportional to 191,721.51, 264,581.09 and 106,844.04 is: 147,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,721.51 : 264,581.09 = 106,844.04 : x
  2. Step 2: Convert to fraction form
    191,721.51/264,581.09 = 106,844.04/x
  3. Step 3: Cross multiply
    191,721.51x = 264,581.09 × 106,844.04
  4. Step 4: Simplify right side
    191,721.51x = 28,268,912,028.98
  5. Step 5: Solve for x
    x = 28,268,912,028.98/191,721.51
  6. Step 6: Final answer
    x = 147,447.79

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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.