Home / 159,688.20-239,532.30-106,811.40

Finding the Fourth Proportional to 159,688.20, 239,532.30 and 106,811.40

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Solution

The fourth proportional to 159,688.20, 239,532.30 and 106,811.40 is: 160,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,688.20 : 239,532.30 = 106,811.40 : x
  2. Step 2: Convert to fraction form
    159,688.20/239,532.30 = 106,811.40/x
  3. Step 3: Cross multiply
    159,688.20x = 239,532.30 × 106,811.40
  4. Step 4: Simplify right side
    159,688.20x = 25,584,780,308.22
  5. Step 5: Solve for x
    x = 25,584,780,308.22/159,688.20
  6. Step 6: Final answer
    x = 160,217.10

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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.