Home / 191,785.24-264,657.54-120,203.92

Finding the Fourth Proportional to 191,785.24, 264,657.54 and 120,203.92

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Solution

The fourth proportional to 191,785.24, 264,657.54 and 120,203.92 is: 165,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,785.24 : 264,657.54 = 120,203.92 : x
  2. Step 2: Convert to fraction form
    191,785.24/264,657.54 = 120,203.92/x
  3. Step 3: Cross multiply
    191,785.24x = 264,657.54 × 120,203.92
  4. Step 4: Simplify right side
    191,785.24x = 31,812,873,765.56
  5. Step 5: Solve for x
    x = 31,812,873,765.56/191,785.24
  6. Step 6: Final answer
    x = 165,877.59

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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.