Home / 175,668.20-263,502.30-128,436.20

Finding the Fourth Proportional to 175,668.20, 263,502.30 and 128,436.20

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Solution

The fourth proportional to 175,668.20, 263,502.30 and 128,436.20 is: 192,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,668.20 : 263,502.30 = 128,436.20 : x
  2. Step 2: Convert to fraction form
    175,668.20/263,502.30 = 128,436.20/x
  3. Step 3: Cross multiply
    175,668.20x = 263,502.30 × 128,436.20
  4. Step 4: Simplify right side
    175,668.20x = 33,843,234,103.26
  5. Step 5: Solve for x
    x = 33,843,234,103.26/175,668.20
  6. Step 6: Final answer
    x = 192,654.30

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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.