Home / 166,515.04-249,706.82-66,656.62

Finding the Fourth Proportional to 166,515.04, 249,706.82 and 66,656.62

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Solution

The fourth proportional to 166,515.04, 249,706.82 and 66,656.62 is: 99,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,515.04 : 249,706.82 = 66,656.62 : x
  2. Step 2: Convert to fraction form
    166,515.04/249,706.82 = 66,656.62/x
  3. Step 3: Cross multiply
    166,515.04x = 249,706.82 × 66,656.62
  4. Step 4: Simplify right side
    166,515.04x = 16,644,612,278.87
  5. Step 5: Solve for x
    x = 16,644,612,278.87/166,515.04
  6. Step 6: Final answer
    x = 99,958.61

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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.