Home / 170,790.80-255,581.40-148,845.20

Finding the Fourth Proportional to 170,790.80, 255,581.40 and 148,845.20

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Solution

The fourth proportional to 170,790.80, 255,581.40 and 148,845.20 is: 222,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790.80 : 255,581.40 = 148,845.20 : x
  2. Step 2: Convert to fraction form
    170,790.80/255,581.40 = 148,845.20/x
  3. Step 3: Cross multiply
    170,790.80x = 255,581.40 × 148,845.20
  4. Step 4: Simplify right side
    170,790.80x = 38,042,064,599.28
  5. Step 5: Solve for x
    x = 38,042,064,599.28/170,790.80
  6. Step 6: Final answer
    x = 222,740.71

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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.