Home / 166,507.20-249,760.80-82,283.40

Finding the Fourth Proportional to 166,507.20, 249,760.80 and 82,283.40

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Solution

The fourth proportional to 166,507.20, 249,760.80 and 82,283.40 is: 123,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,507.20 : 249,760.80 = 82,283.40 : x
  2. Step 2: Convert to fraction form
    166,507.20/249,760.80 = 82,283.40/x
  3. Step 3: Cross multiply
    166,507.20x = 249,760.80 × 82,283.40
  4. Step 4: Simplify right side
    166,507.20x = 20,551,167,810.72
  5. Step 5: Solve for x
    x = 20,551,167,810.72/166,507.20
  6. Step 6: Final answer
    x = 123,425.10

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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.