Home / 222,480.18-307,022.51-120,507.63

Finding the Fourth Proportional to 222,480.18, 307,022.51 and 120,507.63

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Solution

The fourth proportional to 222,480.18, 307,022.51 and 120,507.63 is: 166,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,480.18 : 307,022.51 = 120,507.63 : x
  2. Step 2: Convert to fraction form
    222,480.18/307,022.51 = 120,507.63/x
  3. Step 3: Cross multiply
    222,480.18x = 307,022.51 × 120,507.63
  4. Step 4: Simplify right side
    222,480.18x = 36,998,554,672.94
  5. Step 5: Solve for x
    x = 36,998,554,672.94/222,480.18
  6. Step 6: Final answer
    x = 166,300.45

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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.