Home / 166,610.79-249,602.31-82,272.21

Finding the Fourth Proportional to 166,610.79, 249,602.31 and 82,272.21

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Solution

The fourth proportional to 166,610.79, 249,602.31 and 82,272.21 is: 123,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,610.79 : 249,602.31 = 82,272.21 : x
  2. Step 2: Convert to fraction form
    166,610.79/249,602.31 = 82,272.21/x
  3. Step 3: Cross multiply
    166,610.79x = 249,602.31 × 82,272.21
  4. Step 4: Simplify right side
    166,610.79x = 20,535,332,728.80
  5. Step 5: Solve for x
    x = 20,535,332,728.80/166,610.79
  6. Step 6: Final answer
    x = 123,253.32

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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.