Home / 460,939.31-691,480.20-157,262.37

Finding the Fourth Proportional to 460,939.31, 691,480.20 and 157,262.37

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Solution

The fourth proportional to 460,939.31, 691,480.20 and 157,262.37 is: 235,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,939.31 : 691,480.20 = 157,262.37 : x
  2. Step 2: Convert to fraction form
    460,939.31/691,480.20 = 157,262.37/x
  3. Step 3: Cross multiply
    460,939.31x = 691,480.20 × 157,262.37
  4. Step 4: Simplify right side
    460,939.31x = 108,743,813,056.76
  5. Step 5: Solve for x
    x = 108,743,813,056.76/460,939.31
  6. Step 6: Final answer
    x = 235,917.85

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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.