Home / 166,222.88-249,355.86-76,243.90

Finding the Fourth Proportional to 166,222.88, 249,355.86 and 76,243.90

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Solution

The fourth proportional to 166,222.88, 249,355.86 and 76,243.90 is: 114,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,222.88 : 249,355.86 = 76,243.90 : x
  2. Step 2: Convert to fraction form
    166,222.88/249,355.86 = 76,243.90/x
  3. Step 3: Cross multiply
    166,222.88x = 249,355.86 × 76,243.90
  4. Step 4: Simplify right side
    166,222.88x = 19,011,863,254.25
  5. Step 5: Solve for x
    x = 19,011,863,254.25/166,222.88
  6. Step 6: Final answer
    x = 114,375.73

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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.