Home / 159,720.62-239,419.16-103,596.35

Finding the Fourth Proportional to 159,720.62, 239,419.16 and 103,596.35

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Solution

The fourth proportional to 159,720.62, 239,419.16 and 103,596.35 is: 155,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,720.62 : 239,419.16 = 103,596.35 : x
  2. Step 2: Convert to fraction form
    159,720.62/239,419.16 = 103,596.35/x
  3. Step 3: Cross multiply
    159,720.62x = 239,419.16 × 103,596.35
  4. Step 4: Simplify right side
    159,720.62x = 24,802,949,380.99
  5. Step 5: Solve for x
    x = 24,802,949,380.99/159,720.62
  6. Step 6: Final answer
    x = 155,289.59

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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.