Home / 119,226.26-178,991.14-77,281.86

Finding the Fourth Proportional to 119,226.26, 178,991.14 and 77,281.86

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Solution

The fourth proportional to 119,226.26, 178,991.14 and 77,281.86 is: 116,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,226.26 : 178,991.14 = 77,281.86 : x
  2. Step 2: Convert to fraction form
    119,226.26/178,991.14 = 77,281.86/x
  3. Step 3: Cross multiply
    119,226.26x = 178,991.14 × 77,281.86
  4. Step 4: Simplify right side
    119,226.26x = 13,832,767,453.65
  5. Step 5: Solve for x
    x = 13,832,767,453.65/119,226.26
  6. Step 6: Final answer
    x = 116,021.15

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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.