Home / 166,705.74-249,951.96-71,997.66

Finding the Fourth Proportional to 166,705.74, 249,951.96 and 71,997.66

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Solution

The fourth proportional to 166,705.74, 249,951.96 and 71,997.66 is: 107,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,705.74 : 249,951.96 = 71,997.66 : x
  2. Step 2: Convert to fraction form
    166,705.74/249,951.96 = 71,997.66/x
  3. Step 3: Cross multiply
    166,705.74x = 249,951.96 × 71,997.66
  4. Step 4: Simplify right side
    166,705.74x = 17,995,956,232.41
  5. Step 5: Solve for x
    x = 17,995,956,232.41/166,705.74
  6. Step 6: Final answer
    x = 107,950.43

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1.5x scale

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.