Home / 189,483.38-261,487.11-104,600.50

Finding the Fourth Proportional to 189,483.38, 261,487.11 and 104,600.50

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Solution

The fourth proportional to 189,483.38, 261,487.11 and 104,600.50 is: 144,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,483.38 : 261,487.11 = 104,600.50 : x
  2. Step 2: Convert to fraction form
    189,483.38/261,487.11 = 104,600.50/x
  3. Step 3: Cross multiply
    189,483.38x = 261,487.11 × 104,600.50
  4. Step 4: Simplify right side
    189,483.38x = 27,351,682,449.56
  5. Step 5: Solve for x
    x = 27,351,682,449.56/189,483.38
  6. Step 6: Final answer
    x = 144,348.72

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1.5x scale

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.