Home / 166,086.43-249,008.95-66,216.67

Finding the Fourth Proportional to 166,086.43, 249,008.95 and 66,216.67

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Solution

The fourth proportional to 166,086.43, 249,008.95 and 66,216.67 is: 99,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,086.43 : 249,008.95 = 66,216.67 : x
  2. Step 2: Convert to fraction form
    166,086.43/249,008.95 = 66,216.67/x
  3. Step 3: Cross multiply
    166,086.43x = 249,008.95 × 66,216.67
  4. Step 4: Simplify right side
    166,086.43x = 16,488,542,763.90
  5. Step 5: Solve for x
    x = 16,488,542,763.90/166,086.43
  6. Step 6: Final answer
    x = 99,276.88

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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.