Home / 454,419.88-681,668.22-122,014.12

Finding the Fourth Proportional to 454,419.88, 681,668.22 and 122,014.12

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Solution

The fourth proportional to 454,419.88, 681,668.22 and 122,014.12 is: 183,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,419.88 : 681,668.22 = 122,014.12 : x
  2. Step 2: Convert to fraction form
    454,419.88/681,668.22 = 122,014.12/x
  3. Step 3: Cross multiply
    454,419.88x = 681,668.22 × 122,014.12
  4. Step 4: Simplify right side
    454,419.88x = 83,173,147,995.27
  5. Step 5: Solve for x
    x = 83,173,147,995.27/454,419.88
  6. Step 6: Final answer
    x = 183,031.49

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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.