Home / 454,371.05-681,615.50-154,771.49

Finding the Fourth Proportional to 454,371.05, 681,615.50 and 154,771.49

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Solution

The fourth proportional to 454,371.05, 681,615.50 and 154,771.49 is: 232,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,371.05 : 681,615.50 = 154,771.49 : x
  2. Step 2: Convert to fraction form
    454,371.05/681,615.50 = 154,771.49/x
  3. Step 3: Cross multiply
    454,371.05x = 681,615.50 × 154,771.49
  4. Step 4: Simplify right side
    454,371.05x = 105,494,642,360.16
  5. Step 5: Solve for x
    x = 105,494,642,360.16/454,371.05
  6. Step 6: Final answer
    x = 232,177.30

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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.