Home / 166,422.78-229,679.51-98,461.62

Finding the Fourth Proportional to 166,422.78, 229,679.51 and 98,461.62

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Solution

The fourth proportional to 166,422.78, 229,679.51 and 98,461.62 is: 135,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,422.78 : 229,679.51 = 98,461.62 : x
  2. Step 2: Convert to fraction form
    166,422.78/229,679.51 = 98,461.62/x
  3. Step 3: Cross multiply
    166,422.78x = 229,679.51 × 98,461.62
  4. Step 4: Simplify right side
    166,422.78x = 22,614,616,143.10
  5. Step 5: Solve for x
    x = 22,614,616,143.10/166,422.78
  6. Step 6: Final answer
    x = 135,886.54

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1.5x scale

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.