Home / 454,367.40-681,543.36-134,517.89

Finding the Fourth Proportional to 454,367.40, 681,543.36 and 134,517.89

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Solution

The fourth proportional to 454,367.40, 681,543.36 and 134,517.89 is: 201,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,367.40 : 681,543.36 = 134,517.89 : x
  2. Step 2: Convert to fraction form
    454,367.40/681,543.36 = 134,517.89/x
  3. Step 3: Cross multiply
    454,367.40x = 681,543.36 × 134,517.89
  4. Step 4: Simplify right side
    454,367.40x = 91,679,771,322.99
  5. Step 5: Solve for x
    x = 91,679,771,322.99/454,367.40
  6. Step 6: Final answer
    x = 201,774.54

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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.