Home / 192,022.80-288,034.20-118,192.40

Finding the Fourth Proportional to 192,022.80, 288,034.20 and 118,192.40

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Solution

The fourth proportional to 192,022.80, 288,034.20 and 118,192.40 is: 177,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,022.80 : 288,034.20 = 118,192.40 : x
  2. Step 2: Convert to fraction form
    192,022.80/288,034.20 = 118,192.40/x
  3. Step 3: Cross multiply
    192,022.80x = 288,034.20 × 118,192.40
  4. Step 4: Simplify right side
    192,022.80x = 34,043,453,380.08
  5. Step 5: Solve for x
    x = 34,043,453,380.08/192,022.80
  6. Step 6: Final answer
    x = 177,288.60

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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.