Home / 159,576.30-239,036.40-109,712.70

Finding the Fourth Proportional to 159,576.30, 239,036.40 and 109,712.70

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Solution

The fourth proportional to 159,576.30, 239,036.40 and 109,712.70 is: 164,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,576.30 : 239,036.40 = 109,712.70 : x
  2. Step 2: Convert to fraction form
    159,576.30/239,036.40 = 109,712.70/x
  3. Step 3: Cross multiply
    159,576.30x = 239,036.40 × 109,712.70
  4. Step 4: Simplify right side
    159,576.30x = 26,225,328,842.28
  5. Step 5: Solve for x
    x = 26,225,328,842.28/159,576.30
  6. Step 6: Final answer
    x = 164,343.51

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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.