Home / 189,508.31-261,520.73-104,624.76

Finding the Fourth Proportional to 189,508.31, 261,520.73 and 104,624.76

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Solution

The fourth proportional to 189,508.31, 261,520.73 and 104,624.76 is: 144,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,508.31 : 261,520.73 = 104,624.76 : x
  2. Step 2: Convert to fraction form
    189,508.31/261,520.73 = 104,624.76/x
  3. Step 3: Cross multiply
    189,508.31x = 261,520.73 × 104,624.76
  4. Step 4: Simplify right side
    189,508.31x = 27,361,543,611.27
  5. Step 5: Solve for x
    x = 27,361,543,611.27/189,508.31
  6. Step 6: Final answer
    x = 144,381.77

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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.