Home / 156,795.20-235,112.16-45,972.80

Finding the Fourth Proportional to 156,795.20, 235,112.16 and 45,972.80

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Solution

The fourth proportional to 156,795.20, 235,112.16 and 45,972.80 is: 68,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,795.20 : 235,112.16 = 45,972.80 : x
  2. Step 2: Convert to fraction form
    156,795.20/235,112.16 = 45,972.80/x
  3. Step 3: Cross multiply
    156,795.20x = 235,112.16 × 45,972.80
  4. Step 4: Simplify right side
    156,795.20x = 10,808,764,309.25
  5. Step 5: Solve for x
    x = 10,808,764,309.25/156,795.20
  6. Step 6: Final answer
    x = 68,935.56

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1.5x scale

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.