Home / 156,964.55-235,441.55-68,218.07

Finding the Fourth Proportional to 156,964.55, 235,441.55 and 68,218.07

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Solution

The fourth proportional to 156,964.55, 235,441.55 and 68,218.07 is: 102,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.55 : 235,441.55 = 68,218.07 : x
  2. Step 2: Convert to fraction form
    156,964.55/235,441.55 = 68,218.07/x
  3. Step 3: Cross multiply
    156,964.55x = 235,441.55 × 68,218.07
  4. Step 4: Simplify right side
    156,964.55x = 16,061,368,138.81
  5. Step 5: Solve for x
    x = 16,061,368,138.81/156,964.55
  6. Step 6: Final answer
    x = 102,324.81

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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.