Home / 189,337.11-261,285.20-104,454.18

Finding the Fourth Proportional to 189,337.11, 261,285.20 and 104,454.18

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Solution

The fourth proportional to 189,337.11, 261,285.20 and 104,454.18 is: 144,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,337.11 : 261,285.20 = 104,454.18 : x
  2. Step 2: Convert to fraction form
    189,337.11/261,285.20 = 104,454.18/x
  3. Step 3: Cross multiply
    189,337.11x = 261,285.20 × 104,454.18
  4. Step 4: Simplify right side
    189,337.11x = 27,292,330,789.87
  5. Step 5: Solve for x
    x = 27,292,330,789.87/189,337.11
  6. Step 6: Final answer
    x = 144,146.76

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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.