Home / 191,789.57-264,561.22-120,045.04

Finding the Fourth Proportional to 191,789.57, 264,561.22 and 120,045.04

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Solution

The fourth proportional to 191,789.57, 264,561.22 and 120,045.04 is: 165,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,789.57 : 264,561.22 = 120,045.04 : x
  2. Step 2: Convert to fraction form
    191,789.57/264,561.22 = 120,045.04/x
  3. Step 3: Cross multiply
    191,789.57x = 264,561.22 × 120,045.04
  4. Step 4: Simplify right side
    191,789.57x = 31,759,262,237.35
  5. Step 5: Solve for x
    x = 31,759,262,237.35/191,789.57
  6. Step 6: Final answer
    x = 165,594.31

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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.