Home / 192,516.80-288,429.60-170,398.40

Finding the Fourth Proportional to 192,516.80, 288,429.60 and 170,398.40

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Solution

The fourth proportional to 192,516.80, 288,429.60 and 170,398.40 is: 255,291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,516.80 : 288,429.60 = 170,398.40 : x
  2. Step 2: Convert to fraction form
    192,516.80/288,429.60 = 170,398.40/x
  3. Step 3: Cross multiply
    192,516.80x = 288,429.60 × 170,398.40
  4. Step 4: Simplify right side
    192,516.80x = 49,147,942,352.64
  5. Step 5: Solve for x
    x = 49,147,942,352.64/192,516.80
  6. Step 6: Final answer
    x = 255,291.71

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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.