Home / 493,722.41-740,140.14-178,105.52

Finding the Fourth Proportional to 493,722.41, 740,140.14 and 178,105.52

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Solution

The fourth proportional to 493,722.41, 740,140.14 and 178,105.52 is: 266,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,722.41 : 740,140.14 = 178,105.52 : x
  2. Step 2: Convert to fraction form
    493,722.41/740,140.14 = 178,105.52/x
  3. Step 3: Cross multiply
    493,722.41x = 740,140.14 × 178,105.52
  4. Step 4: Simplify right side
    493,722.41x = 131,823,044,507.57
  5. Step 5: Solve for x
    x = 131,823,044,507.57/493,722.41
  6. Step 6: Final answer
    x = 266,998.30

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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.