Home / 192,192.83-288,290.27-126,051.80

Finding the Fourth Proportional to 192,192.83, 288,290.27 and 126,051.80

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Solution

The fourth proportional to 192,192.83, 288,290.27 and 126,051.80 is: 189,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,192.83 : 288,290.27 = 126,051.80 : x
  2. Step 2: Convert to fraction form
    192,192.83/288,290.27 = 126,051.80/x
  3. Step 3: Cross multiply
    192,192.83x = 288,290.27 × 126,051.80
  4. Step 4: Simplify right side
    192,192.83x = 36,339,506,825.73
  5. Step 5: Solve for x
    x = 36,339,506,825.73/192,192.83
  6. Step 6: Final answer
    x = 189,078.37

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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.