Home / 156,963.43-216,605.01-88,986.70

Finding the Fourth Proportional to 156,963.43, 216,605.01 and 88,986.70

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Solution

The fourth proportional to 156,963.43, 216,605.01 and 88,986.70 is: 122,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963.43 : 216,605.01 = 88,986.70 : x
  2. Step 2: Convert to fraction form
    156,963.43/216,605.01 = 88,986.70/x
  3. Step 3: Cross multiply
    156,963.43x = 216,605.01 × 88,986.70
  4. Step 4: Simplify right side
    156,963.43x = 19,274,965,043.37
  5. Step 5: Solve for x
    x = 19,274,965,043.37/156,963.43
  6. Step 6: Final answer
    x = 122,799.08

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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.