Home / 166,086.30-249,008.76-66,216.54

Finding the Fourth Proportional to 166,086.30, 249,008.76 and 66,216.54

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Solution

The fourth proportional to 166,086.30, 249,008.76 and 66,216.54 is: 99,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,086.30 : 249,008.76 = 66,216.54 : x
  2. Step 2: Convert to fraction form
    166,086.30/249,008.76 = 66,216.54/x
  3. Step 3: Cross multiply
    166,086.30x = 249,008.76 × 66,216.54
  4. Step 4: Simplify right side
    166,086.30x = 16,488,499,698.99
  5. Step 5: Solve for x
    x = 16,488,499,698.99/166,086.30
  6. Step 6: Final answer
    x = 99,276.70

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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.