Home / 119,009.06-178,514.19-40,123.97

Finding the Fourth Proportional to 119,009.06, 178,514.19 and 40,123.97

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Solution

The fourth proportional to 119,009.06, 178,514.19 and 40,123.97 is: 60,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,009.06 : 178,514.19 = 40,123.97 : x
  2. Step 2: Convert to fraction form
    119,009.06/178,514.19 = 40,123.97/x
  3. Step 3: Cross multiply
    119,009.06x = 178,514.19 × 40,123.97
  4. Step 4: Simplify right side
    119,009.06x = 7,162,697,262.03
  5. Step 5: Solve for x
    x = 7,162,697,262.03/119,009.06
  6. Step 6: Final answer
    x = 60,186.15

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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.