Home / 222,471.19-307,008.38-120,494.28

Finding the Fourth Proportional to 222,471.19, 307,008.38 and 120,494.28

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Solution

The fourth proportional to 222,471.19, 307,008.38 and 120,494.28 is: 166,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,471.19 : 307,008.38 = 120,494.28 : x
  2. Step 2: Convert to fraction form
    222,471.19/307,008.38 = 120,494.28/x
  3. Step 3: Cross multiply
    222,471.19x = 307,008.38 × 120,494.28
  4. Step 4: Simplify right side
    222,471.19x = 36,992,752,332.07
  5. Step 5: Solve for x
    x = 36,992,752,332.07/222,471.19
  6. Step 6: Final answer
    x = 166,281.10

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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.