Home / 448,080.13-672,120.20-132,512.46

Finding the Fourth Proportional to 448,080.13, 672,120.20 and 132,512.46

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Solution

The fourth proportional to 448,080.13, 672,120.20 and 132,512.46 is: 198,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,080.13 : 672,120.20 = 132,512.46 : x
  2. Step 2: Convert to fraction form
    448,080.13/672,120.20 = 132,512.46/x
  3. Step 3: Cross multiply
    448,080.13x = 672,120.20 × 132,512.46
  4. Step 4: Simplify right side
    448,080.13x = 89,064,301,117.69
  5. Step 5: Solve for x
    x = 89,064,301,117.69/448,080.13
  6. Step 6: Final answer
    x = 198,768.69

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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.