Home / 263,256.40-394,884.60-163,091.80

Finding the Fourth Proportional to 263,256.40, 394,884.60 and 163,091.80

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Solution

The fourth proportional to 263,256.40, 394,884.60 and 163,091.80 is: 244,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,256.40 : 394,884.60 = 163,091.80 : x
  2. Step 2: Convert to fraction form
    263,256.40/394,884.60 = 163,091.80/x
  3. Step 3: Cross multiply
    263,256.40x = 394,884.60 × 163,091.80
  4. Step 4: Simplify right side
    263,256.40x = 64,402,440,206.28
  5. Step 5: Solve for x
    x = 64,402,440,206.28/263,256.40
  6. Step 6: Final answer
    x = 244,637.70

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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.