Home / 192,545.10-288,040.05-166,538.70

Finding the Fourth Proportional to 192,545.10, 288,040.05 and 166,538.70

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Solution

The fourth proportional to 192,545.10, 288,040.05 and 166,538.70 is: 249,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,545.10 : 288,040.05 = 166,538.70 : x
  2. Step 2: Convert to fraction form
    192,545.10/288,040.05 = 166,538.70/x
  3. Step 3: Cross multiply
    192,545.10x = 288,040.05 × 166,538.70
  4. Step 4: Simplify right side
    192,545.10x = 47,969,815,474.94
  5. Step 5: Solve for x
    x = 47,969,815,474.94/192,545.10
  6. Step 6: Final answer
    x = 249,135.48

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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.