Home / 454,255.89-681,516.87-134,415.84

Finding the Fourth Proportional to 454,255.89, 681,516.87 and 134,415.84

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Solution

The fourth proportional to 454,255.89, 681,516.87 and 134,415.84 is: 201,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,255.89 : 681,516.87 = 134,415.84 : x
  2. Step 2: Convert to fraction form
    454,255.89/681,516.87 = 134,415.84/x
  3. Step 3: Cross multiply
    454,255.89x = 681,516.87 × 134,415.84
  4. Step 4: Simplify right side
    454,255.89x = 91,606,662,555.22
  5. Step 5: Solve for x
    x = 91,606,662,555.22/454,255.89
  6. Step 6: Final answer
    x = 201,663.13

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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.