Home / 149,720.39-224,550.21-54,918.30

Finding the Fourth Proportional to 149,720.39, 224,550.21 and 54,918.30

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Solution

The fourth proportional to 149,720.39, 224,550.21 and 54,918.30 is: 82,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720.39 : 224,550.21 = 54,918.30 : x
  2. Step 2: Convert to fraction form
    149,720.39/224,550.21 = 54,918.30/x
  3. Step 3: Cross multiply
    149,720.39x = 224,550.21 × 54,918.30
  4. Step 4: Simplify right side
    149,720.39x = 12,331,915,797.84
  5. Step 5: Solve for x
    x = 12,331,915,797.84/149,720.39
  6. Step 6: Final answer
    x = 82,366.31

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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.