Home / 159,913.50-220,700.07-92,845.50

Finding the Fourth Proportional to 159,913.50, 220,700.07 and 92,845.50

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Solution

The fourth proportional to 159,913.50, 220,700.07 and 92,845.50 is: 128,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,913.50 : 220,700.07 = 92,845.50 : x
  2. Step 2: Convert to fraction form
    159,913.50/220,700.07 = 92,845.50/x
  3. Step 3: Cross multiply
    159,913.50x = 220,700.07 × 92,845.50
  4. Step 4: Simplify right side
    159,913.50x = 20,491,008,349.19
  5. Step 5: Solve for x
    x = 20,491,008,349.19/159,913.50
  6. Step 6: Final answer
    x = 128,138.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.