Home / 161,654.63-223,074.56-89,043.29

Finding the Fourth Proportional to 161,654.63, 223,074.56 and 89,043.29

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Solution

The fourth proportional to 161,654.63, 223,074.56 and 89,043.29 is: 122,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,654.63 : 223,074.56 = 89,043.29 : x
  2. Step 2: Convert to fraction form
    161,654.63/223,074.56 = 89,043.29/x
  3. Step 3: Cross multiply
    161,654.63x = 223,074.56 × 89,043.29
  4. Step 4: Simplify right side
    161,654.63x = 19,863,291,177.11
  5. Step 5: Solve for x
    x = 19,863,291,177.11/161,654.63
  6. Step 6: Final answer
    x = 122,874.87

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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.