Home / 149,725.26-224,334.12-90,436.37

Finding the Fourth Proportional to 149,725.26, 224,334.12 and 90,436.37

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Solution

The fourth proportional to 149,725.26, 224,334.12 and 90,436.37 is: 135,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,725.26 : 224,334.12 = 90,436.37 : x
  2. Step 2: Convert to fraction form
    149,725.26/224,334.12 = 90,436.37/x
  3. Step 3: Cross multiply
    149,725.26x = 224,334.12 × 90,436.37
  4. Step 4: Simplify right side
    149,725.26x = 20,287,962,697.41
  5. Step 5: Solve for x
    x = 20,287,962,697.41/149,725.26
  6. Step 6: Final answer
    x = 135,501.27

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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.