Home / 156,556.11-216,058.28-88,573.35

Finding the Fourth Proportional to 156,556.11, 216,058.28 and 88,573.35

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Solution

The fourth proportional to 156,556.11, 216,058.28 and 88,573.35 is: 122,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,556.11 : 216,058.28 = 88,573.35 : x
  2. Step 2: Convert to fraction form
    156,556.11/216,058.28 = 88,573.35/x
  3. Step 3: Cross multiply
    156,556.11x = 216,058.28 × 88,573.35
  4. Step 4: Simplify right side
    156,556.11x = 19,137,005,654.84
  5. Step 5: Solve for x
    x = 19,137,005,654.84/156,556.11
  6. Step 6: Final answer
    x = 122,237.36

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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.