Home / 119,566.22-165,001.86-71,820.38

Finding the Fourth Proportional to 119,566.22, 165,001.86 and 71,820.38

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Solution

The fourth proportional to 119,566.22, 165,001.86 and 71,820.38 is: 99,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,566.22 : 165,001.86 = 71,820.38 : x
  2. Step 2: Convert to fraction form
    119,566.22/165,001.86 = 71,820.38/x
  3. Step 3: Cross multiply
    119,566.22x = 165,001.86 × 71,820.38
  4. Step 4: Simplify right side
    119,566.22x = 11,850,496,285.91
  5. Step 5: Solve for x
    x = 11,850,496,285.91/119,566.22
  6. Step 6: Final answer
    x = 99,112.41

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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.