Home / 191,785.19-264,664.94-105,747.39

Finding the Fourth Proportional to 191,785.19, 264,664.94 and 105,747.39

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Solution

The fourth proportional to 191,785.19, 264,664.94 and 105,747.39 is: 145,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,785.19 : 264,664.94 = 105,747.39 : x
  2. Step 2: Convert to fraction form
    191,785.19/264,664.94 = 105,747.39/x
  3. Step 3: Cross multiply
    191,785.19x = 264,664.94 × 105,747.39
  4. Step 4: Simplify right side
    191,785.19x = 27,987,626,100.77
  5. Step 5: Solve for x
    x = 27,987,626,100.77/191,785.19
  6. Step 6: Final answer
    x = 145,932.16

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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.