Home / 192,320.55-288,419.27-64,209.33

Finding the Fourth Proportional to 192,320.55, 288,419.27 and 64,209.33

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Solution

The fourth proportional to 192,320.55, 288,419.27 and 64,209.33 is: 96,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,320.55 : 288,419.27 = 64,209.33 : x
  2. Step 2: Convert to fraction form
    192,320.55/288,419.27 = 64,209.33/x
  3. Step 3: Cross multiply
    192,320.55x = 288,419.27 × 64,209.33
  4. Step 4: Simplify right side
    192,320.55x = 18,519,207,764.74
  5. Step 5: Solve for x
    x = 18,519,207,764.74/192,320.55
  6. Step 6: Final answer
    x = 96,293.44

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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.