Home / 166,190.28-249,285.83-66,358.59

Finding the Fourth Proportional to 166,190.28, 249,285.83 and 66,358.59

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Solution

The fourth proportional to 166,190.28, 249,285.83 and 66,358.59 is: 99,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,190.28 : 249,285.83 = 66,358.59 : x
  2. Step 2: Convert to fraction form
    166,190.28/249,285.83 = 66,358.59/x
  3. Step 3: Cross multiply
    166,190.28x = 249,285.83 × 66,358.59
  4. Step 4: Simplify right side
    166,190.28x = 16,542,255,853.99
  5. Step 5: Solve for x
    x = 16,542,255,853.99/166,190.28
  6. Step 6: Final answer
    x = 99,538.05

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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.