Home / 156,391.56-234,603.74-51,218.73

Finding the Fourth Proportional to 156,391.56, 234,603.74 and 51,218.73

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Solution

The fourth proportional to 156,391.56, 234,603.74 and 51,218.73 is: 76,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,391.56 : 234,603.74 = 51,218.73 : x
  2. Step 2: Convert to fraction form
    156,391.56/234,603.74 = 51,218.73/x
  3. Step 3: Cross multiply
    156,391.56x = 234,603.74 × 51,218.73
  4. Step 4: Simplify right side
    156,391.56x = 12,016,105,744.10
  5. Step 5: Solve for x
    x = 12,016,105,744.10/156,391.56
  6. Step 6: Final answer
    x = 76,833.47

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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.