Home / 448,583.47-672,760.28-132,966.56

Finding the Fourth Proportional to 448,583.47, 672,760.28 and 132,966.56

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Solution

The fourth proportional to 448,583.47, 672,760.28 and 132,966.56 is: 199,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,583.47 : 672,760.28 = 132,966.56 : x
  2. Step 2: Convert to fraction form
    448,583.47/672,760.28 = 132,966.56/x
  3. Step 3: Cross multiply
    448,583.47x = 672,760.28 × 132,966.56
  4. Step 4: Simplify right side
    448,583.47x = 89,454,622,150.55
  5. Step 5: Solve for x
    x = 89,454,622,150.55/448,583.47
  6. Step 6: Final answer
    x = 199,415.78

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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.