Home / 109,948.56-164,812-43,362.96

Finding the Fourth Proportional to 109,948.56, 164,812 and 43,362.96

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Solution

The fourth proportional to 109,948.56, 164,812 and 43,362.96 is: 65,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.56 : 164,812 = 43,362.96 : x
  2. Step 2: Convert to fraction form
    109,948.56/164,812 = 43,362.96/x
  3. Step 3: Cross multiply
    109,948.56x = 164,812 × 43,362.96
  4. Step 4: Simplify right side
    109,948.56x = 7,146,736,163.52
  5. Step 5: Solve for x
    x = 7,146,736,163.52/109,948.56
  6. Step 6: Final answer
    x = 65,000.73

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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.