Home / 157,177.60-216,896.29-85,553.35

Finding the Fourth Proportional to 157,177.60, 216,896.29 and 85,553.35

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Solution

The fourth proportional to 157,177.60, 216,896.29 and 85,553.35 is: 118,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,177.60 : 216,896.29 = 85,553.35 : x
  2. Step 2: Convert to fraction form
    157,177.60/216,896.29 = 85,553.35/x
  3. Step 3: Cross multiply
    157,177.60x = 216,896.29 × 85,553.35
  4. Step 4: Simplify right side
    157,177.60x = 18,556,203,455.95
  5. Step 5: Solve for x
    x = 18,556,203,455.95/157,177.60
  6. Step 6: Final answer
    x = 118,058.83

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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.