Home / 166,808.20-249,872.10-103,433.80

Finding the Fourth Proportional to 166,808.20, 249,872.10 and 103,433.80

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Solution

The fourth proportional to 166,808.20, 249,872.10 and 103,433.80 is: 154,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,808.20 : 249,872.10 = 103,433.80 : x
  2. Step 2: Convert to fraction form
    166,808.20/249,872.10 = 103,433.80/x
  3. Step 3: Cross multiply
    166,808.20x = 249,872.10 × 103,433.80
  4. Step 4: Simplify right side
    166,808.20x = 25,845,220,816.98
  5. Step 5: Solve for x
    x = 25,845,220,816.98/166,808.20
  6. Step 6: Final answer
    x = 154,939.75

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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.