Home / 156,934.36-216,564.82-88,957.60

Finding the Fourth Proportional to 156,934.36, 216,564.82 and 88,957.60

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Solution

The fourth proportional to 156,934.36, 216,564.82 and 88,957.60 is: 122,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.36 : 216,564.82 = 88,957.60 : x
  2. Step 2: Convert to fraction form
    156,934.36/216,564.82 = 88,957.60/x
  3. Step 3: Cross multiply
    156,934.36x = 216,564.82 × 88,957.60
  4. Step 4: Simplify right side
    156,934.36x = 19,265,086,631.63
  5. Step 5: Solve for x
    x = 19,265,086,631.63/156,934.36
  6. Step 6: Final answer
    x = 122,758.88

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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.