Home / 454,467.40-681,701.10-134,630.80

Finding the Fourth Proportional to 454,467.40, 681,701.10 and 134,630.80

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Solution

The fourth proportional to 454,467.40, 681,701.10 and 134,630.80 is: 201,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,467.40 : 681,701.10 = 134,630.80 : x
  2. Step 2: Convert to fraction form
    454,467.40/681,701.10 = 134,630.80/x
  3. Step 3: Cross multiply
    454,467.40x = 681,701.10 × 134,630.80
  4. Step 4: Simplify right side
    454,467.40x = 91,777,964,453.88
  5. Step 5: Solve for x
    x = 91,777,964,453.88/454,467.40
  6. Step 6: Final answer
    x = 201,946.20

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Similar ratio
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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.