Home / 156,933.36-216,563.44-88,956.60

Finding the Fourth Proportional to 156,933.36, 216,563.44 and 88,956.60

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Solution

The fourth proportional to 156,933.36, 216,563.44 and 88,956.60 is: 122,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.36 : 216,563.44 = 88,956.60 : x
  2. Step 2: Convert to fraction form
    156,933.36/216,563.44 = 88,956.60/x
  3. Step 3: Cross multiply
    156,933.36x = 216,563.44 × 88,956.60
  4. Step 4: Simplify right side
    156,933.36x = 19,264,747,306.70
  5. Step 5: Solve for x
    x = 19,264,747,306.70/156,933.36
  6. Step 6: Final answer
    x = 122,757.50

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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.