Home / 156,826.99-216,414.19-88,842.58

Finding the Fourth Proportional to 156,826.99, 216,414.19 and 88,842.58

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Solution

The fourth proportional to 156,826.99, 216,414.19 and 88,842.58 is: 122,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,826.99 : 216,414.19 = 88,842.58 : x
  2. Step 2: Convert to fraction form
    156,826.99/216,414.19 = 88,842.58/x
  3. Step 3: Cross multiply
    156,826.99x = 216,414.19 × 88,842.58
  4. Step 4: Simplify right side
    156,826.99x = 19,226,794,988.21
  5. Step 5: Solve for x
    x = 19,226,794,988.21/156,826.99
  6. Step 6: Final answer
    x = 122,598.76

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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.