Home / 166,263.67-249,186.38-71,381.59

Finding the Fourth Proportional to 166,263.67, 249,186.38 and 71,381.59

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Solution

The fourth proportional to 166,263.67, 249,186.38 and 71,381.59 is: 106,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,263.67 : 249,186.38 = 71,381.59 : x
  2. Step 2: Convert to fraction form
    166,263.67/249,186.38 = 71,381.59/x
  3. Step 3: Cross multiply
    166,263.67x = 249,186.38 × 71,381.59
  4. Step 4: Simplify right side
    166,263.67x = 17,787,319,030.87
  5. Step 5: Solve for x
    x = 17,787,319,030.87/166,263.67
  6. Step 6: Final answer
    x = 106,982.60

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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.