Home / 156,822.16-216,366.91-88,828.33

Finding the Fourth Proportional to 156,822.16, 216,366.91 and 88,828.33

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Solution

The fourth proportional to 156,822.16, 216,366.91 and 88,828.33 is: 122,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,822.16 : 216,366.91 = 88,828.33 : x
  2. Step 2: Convert to fraction form
    156,822.16/216,366.91 = 88,828.33/x
  3. Step 3: Cross multiply
    156,822.16x = 216,366.91 × 88,828.33
  4. Step 4: Simplify right side
    156,822.16x = 19,219,511,282.56
  5. Step 5: Solve for x
    x = 19,219,511,282.56/156,822.16
  6. Step 6: Final answer
    x = 122,556.09

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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.