Home / 166,411.68-249,553.52-130,942.80

Finding the Fourth Proportional to 166,411.68, 249,553.52 and 130,942.80

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Solution

The fourth proportional to 166,411.68, 249,553.52 and 130,942.80 is: 196,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,411.68 : 249,553.52 = 130,942.80 : x
  2. Step 2: Convert to fraction form
    166,411.68/249,553.52 = 130,942.80/x
  3. Step 3: Cross multiply
    166,411.68x = 249,553.52 × 130,942.80
  4. Step 4: Simplify right side
    166,411.68x = 32,677,236,658.66
  5. Step 5: Solve for x
    x = 32,677,236,658.66/166,411.68
  6. Step 6: Final answer
    x = 196,363.84

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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.