Home / 239,081.22-358,455.38-105,889.28

Finding the Fourth Proportional to 239,081.22, 358,455.38 and 105,889.28

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Solution

The fourth proportional to 239,081.22, 358,455.38 and 105,889.28 is: 158,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,081.22 : 358,455.38 = 105,889.28 : x
  2. Step 2: Convert to fraction form
    239,081.22/358,455.38 = 105,889.28/x
  3. Step 3: Cross multiply
    239,081.22x = 358,455.38 × 105,889.28
  4. Step 4: Simplify right side
    239,081.22x = 37,956,579,778.60
  5. Step 5: Solve for x
    x = 37,956,579,778.60/239,081.22
  6. Step 6: Final answer
    x = 158,760.19

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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.