Home / 191,679.19-264,519.07-105,641.24

Finding the Fourth Proportional to 191,679.19, 264,519.07 and 105,641.24

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Solution

The fourth proportional to 191,679.19, 264,519.07 and 105,641.24 is: 145,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,679.19 : 264,519.07 = 105,641.24 : x
  2. Step 2: Convert to fraction form
    191,679.19/264,519.07 = 105,641.24/x
  3. Step 3: Cross multiply
    191,679.19x = 264,519.07 × 105,641.24
  4. Step 4: Simplify right side
    191,679.19x = 27,944,123,351.80
  5. Step 5: Solve for x
    x = 27,944,123,351.80/191,679.19
  6. Step 6: Final answer
    x = 145,785.90

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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.