Home / 222,600.48-307,190.40-122,002.08

Finding the Fourth Proportional to 222,600.48, 307,190.40 and 122,002.08

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Solution

The fourth proportional to 222,600.48, 307,190.40 and 122,002.08 is: 168,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,600.48 : 307,190.40 = 122,002.08 : x
  2. Step 2: Convert to fraction form
    222,600.48/307,190.40 = 122,002.08/x
  3. Step 3: Cross multiply
    222,600.48x = 307,190.40 × 122,002.08
  4. Step 4: Simplify right side
    222,600.48x = 37,477,867,756.03
  5. Step 5: Solve for x
    x = 37,477,867,756.03/222,600.48
  6. Step 6: Final answer
    x = 168,363.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.