Home / 159,455.40-239,183.10-92,970.60

Finding the Fourth Proportional to 159,455.40, 239,183.10 and 92,970.60

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Solution

The fourth proportional to 159,455.40, 239,183.10 and 92,970.60 is: 139,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,455.40 : 239,183.10 = 92,970.60 : x
  2. Step 2: Convert to fraction form
    159,455.40/239,183.10 = 92,970.60/x
  3. Step 3: Cross multiply
    159,455.40x = 239,183.10 × 92,970.60
  4. Step 4: Simplify right side
    159,455.40x = 22,236,996,316.86
  5. Step 5: Solve for x
    x = 22,236,996,316.86/159,455.40
  6. Step 6: Final answer
    x = 139,455.90

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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.