Home / 149,020.40-223,530.60-89,825.60

Finding the Fourth Proportional to 149,020.40, 223,530.60 and 89,825.60

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Solution

The fourth proportional to 149,020.40, 223,530.60 and 89,825.60 is: 134,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020.40 : 223,530.60 = 89,825.60 : x
  2. Step 2: Convert to fraction form
    149,020.40/223,530.60 = 89,825.60/x
  3. Step 3: Cross multiply
    149,020.40x = 223,530.60 × 89,825.60
  4. Step 4: Simplify right side
    149,020.40x = 20,078,770,263.36
  5. Step 5: Solve for x
    x = 20,078,770,263.36/149,020.40
  6. Step 6: Final answer
    x = 134,738.40

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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.