Home / 166,101.49-249,191.93-53,781.83

Finding the Fourth Proportional to 166,101.49, 249,191.93 and 53,781.83

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Solution

The fourth proportional to 166,101.49, 249,191.93 and 53,781.83 is: 80,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,101.49 : 249,191.93 = 53,781.83 : x
  2. Step 2: Convert to fraction form
    166,101.49/249,191.93 = 53,781.83/x
  3. Step 3: Cross multiply
    166,101.49x = 249,191.93 × 53,781.83
  4. Step 4: Simplify right side
    166,101.49x = 13,401,998,016.63
  5. Step 5: Solve for x
    x = 13,401,998,016.63/166,101.49
  6. Step 6: Final answer
    x = 80,685.60

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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.