Home / 149,905.27-224,409.57-90,561.03

Finding the Fourth Proportional to 149,905.27, 224,409.57 and 90,561.03

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Solution

The fourth proportional to 149,905.27, 224,409.57 and 90,561.03 is: 135,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,905.27 : 224,409.57 = 90,561.03 : x
  2. Step 2: Convert to fraction form
    149,905.27/224,409.57 = 90,561.03/x
  3. Step 3: Cross multiply
    149,905.27x = 224,409.57 × 90,561.03
  4. Step 4: Simplify right side
    149,905.27x = 20,322,761,801.06
  5. Step 5: Solve for x
    x = 20,322,761,801.06/149,905.27
  6. Step 6: Final answer
    x = 135,570.70

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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.