Home / 166,437.28-249,644.40-61,236.64

Finding the Fourth Proportional to 166,437.28, 249,644.40 and 61,236.64

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Solution

The fourth proportional to 166,437.28, 249,644.40 and 61,236.64 is: 91,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,437.28 : 249,644.40 = 61,236.64 : x
  2. Step 2: Convert to fraction form
    166,437.28/249,644.40 = 61,236.64/x
  3. Step 3: Cross multiply
    166,437.28x = 249,644.40 × 61,236.64
  4. Step 4: Simplify right side
    166,437.28x = 15,287,384,250.82
  5. Step 5: Solve for x
    x = 15,287,384,250.82/166,437.28
  6. Step 6: Final answer
    x = 91,850.72

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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.