Home / 149,035.37-223,553.05-86,662.13

Finding the Fourth Proportional to 149,035.37, 223,553.05 and 86,662.13

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Solution

The fourth proportional to 149,035.37, 223,553.05 and 86,662.13 is: 129,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,035.37 : 223,553.05 = 86,662.13 : x
  2. Step 2: Convert to fraction form
    149,035.37/223,553.05 = 86,662.13/x
  3. Step 3: Cross multiply
    149,035.37x = 223,553.05 × 86,662.13
  4. Step 4: Simplify right side
    149,035.37x = 19,373,582,146.58
  5. Step 5: Solve for x
    x = 19,373,582,146.58/149,035.37
  6. Step 6: Final answer
    x = 129,993.19

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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.