Home / 166,630.29-249,631.56-82,291.74

Finding the Fourth Proportional to 166,630.29, 249,631.56 and 82,291.74

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Solution

The fourth proportional to 166,630.29, 249,631.56 and 82,291.74 is: 123,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,630.29 : 249,631.56 = 82,291.74 : x
  2. Step 2: Convert to fraction form
    166,630.29/249,631.56 = 82,291.74/x
  3. Step 3: Cross multiply
    166,630.29x = 249,631.56 × 82,291.74
  4. Step 4: Simplify right side
    166,630.29x = 20,542,615,431.31
  5. Step 5: Solve for x
    x = 20,542,615,431.31/166,630.29
  6. Step 6: Final answer
    x = 123,282.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.