Home / 166,121.33-249,206.44-53,764.20

Finding the Fourth Proportional to 166,121.33, 249,206.44 and 53,764.20

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Solution

The fourth proportional to 166,121.33, 249,206.44 and 53,764.20 is: 80,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,121.33 : 249,206.44 = 53,764.20 : x
  2. Step 2: Convert to fraction form
    166,121.33/249,206.44 = 53,764.20/x
  3. Step 3: Cross multiply
    166,121.33x = 249,206.44 × 53,764.20
  4. Step 4: Simplify right side
    166,121.33x = 13,398,384,881.45
  5. Step 5: Solve for x
    x = 13,398,384,881.45/166,121.33
  6. Step 6: Final answer
    x = 80,654.21

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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.