Home / 166,731.48-230,089.41-91,279.98

Finding the Fourth Proportional to 166,731.48, 230,089.41 and 91,279.98

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Solution

The fourth proportional to 166,731.48, 230,089.41 and 91,279.98 is: 125,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,731.48 : 230,089.41 = 91,279.98 : x
  2. Step 2: Convert to fraction form
    166,731.48/230,089.41 = 91,279.98/x
  3. Step 3: Cross multiply
    166,731.48x = 230,089.41 × 91,279.98
  4. Step 4: Simplify right side
    166,731.48x = 21,002,556,743.01
  5. Step 5: Solve for x
    x = 21,002,556,743.01/166,731.48
  6. Step 6: Final answer
    x = 125,966.35

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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.