Home / 192,033.10-288,049.65-121,012.30

Finding the Fourth Proportional to 192,033.10, 288,049.65 and 121,012.30

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Solution

The fourth proportional to 192,033.10, 288,049.65 and 121,012.30 is: 181,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,033.10 : 288,049.65 = 121,012.30 : x
  2. Step 2: Convert to fraction form
    192,033.10/288,049.65 = 121,012.30/x
  3. Step 3: Cross multiply
    192,033.10x = 288,049.65 × 121,012.30
  4. Step 4: Simplify right side
    192,033.10x = 34,857,550,660.70
  5. Step 5: Solve for x
    x = 34,857,550,660.70/192,033.10
  6. Step 6: Final answer
    x = 181,518.45

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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.