Home / 230,351.19-317,739.15-158,606.61

Finding the Fourth Proportional to 230,351.19, 317,739.15 and 158,606.61

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Solution

The fourth proportional to 230,351.19, 317,739.15 and 158,606.61 is: 218,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,351.19 : 317,739.15 = 158,606.61 : x
  2. Step 2: Convert to fraction form
    230,351.19/317,739.15 = 158,606.61/x
  3. Step 3: Cross multiply
    230,351.19x = 317,739.15 × 158,606.61
  4. Step 4: Simplify right side
    230,351.19x = 50,395,529,445.78
  5. Step 5: Solve for x
    x = 50,395,529,445.78/230,351.19
  6. Step 6: Final answer
    x = 218,776.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.