Home / 166,105.47-249,197.88-53,785.81

Finding the Fourth Proportional to 166,105.47, 249,197.88 and 53,785.81

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Solution

The fourth proportional to 166,105.47, 249,197.88 and 53,785.81 is: 80,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,105.47 : 249,197.88 = 53,785.81 : x
  2. Step 2: Convert to fraction form
    166,105.47/249,197.88 = 53,785.81/x
  3. Step 3: Cross multiply
    166,105.47x = 249,197.88 × 53,785.81
  4. Step 4: Simplify right side
    166,105.47x = 13,403,309,826.08
  5. Step 5: Solve for x
    x = 13,403,309,826.08/166,105.47
  6. Step 6: Final answer
    x = 80,691.56

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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.