Home / 119,514.73-178,893.01-66,764.29

Finding the Fourth Proportional to 119,514.73, 178,893.01 and 66,764.29

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Solution

The fourth proportional to 119,514.73, 178,893.01 and 66,764.29 is: 99,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,514.73 : 178,893.01 = 66,764.29 : x
  2. Step 2: Convert to fraction form
    119,514.73/178,893.01 = 66,764.29/x
  3. Step 3: Cross multiply
    119,514.73x = 178,893.01 × 66,764.29
  4. Step 4: Simplify right side
    119,514.73x = 11,943,664,184.47
  5. Step 5: Solve for x
    x = 11,943,664,184.47/119,514.73
  6. Step 6: Final answer
    x = 99,934.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.