Home / 113,226.38-169,835.67-28,987.28

Finding the Fourth Proportional to 113,226.38, 169,835.67 and 28,987.28

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Solution

The fourth proportional to 113,226.38, 169,835.67 and 28,987.28 is: 43,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,226.38 : 169,835.67 = 28,987.28 : x
  2. Step 2: Convert to fraction form
    113,226.38/169,835.67 = 28,987.28/x
  3. Step 3: Cross multiply
    113,226.38x = 169,835.67 × 28,987.28
  4. Step 4: Simplify right side
    113,226.38x = 4,923,074,544.87
  5. Step 5: Solve for x
    x = 4,923,074,544.87/113,226.38
  6. Step 6: Final answer
    x = 43,479.93

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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.