Home / 222,965.37-307,690.65-120,988.24

Finding the Fourth Proportional to 222,965.37, 307,690.65 and 120,988.24

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Solution

The fourth proportional to 222,965.37, 307,690.65 and 120,988.24 is: 166,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,965.37 : 307,690.65 = 120,988.24 : x
  2. Step 2: Convert to fraction form
    222,965.37/307,690.65 = 120,988.24/x
  3. Step 3: Cross multiply
    222,965.37x = 307,690.65 × 120,988.24
  4. Step 4: Simplify right side
    222,965.37x = 37,226,948,064.56
  5. Step 5: Solve for x
    x = 37,226,948,064.56/222,965.37
  6. Step 6: Final answer
    x = 166,962.91

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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.