Home / 123,022.20-184,274.10-99,694.20

Finding the Fourth Proportional to 123,022.20, 184,274.10 and 99,694.20

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Solution

The fourth proportional to 123,022.20, 184,274.10 and 99,694.20 is: 149,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,022.20 : 184,274.10 = 99,694.20 : x
  2. Step 2: Convert to fraction form
    123,022.20/184,274.10 = 99,694.20/x
  3. Step 3: Cross multiply
    123,022.20x = 184,274.10 × 99,694.20
  4. Step 4: Simplify right side
    123,022.20x = 18,371,058,980.22
  5. Step 5: Solve for x
    x = 18,371,058,980.22/123,022.20
  6. Step 6: Final answer
    x = 149,331.25

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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.