Home / 222,964.95-307,690.07-120,987.82

Finding the Fourth Proportional to 222,964.95, 307,690.07 and 120,987.82

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Solution

The fourth proportional to 222,964.95, 307,690.07 and 120,987.82 is: 166,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,964.95 : 307,690.07 = 120,987.82 : x
  2. Step 2: Convert to fraction form
    222,964.95/307,690.07 = 120,987.82/x
  3. Step 3: Cross multiply
    222,964.95x = 307,690.07 × 120,987.82
  4. Step 4: Simplify right side
    222,964.95x = 37,226,748,853.86
  5. Step 5: Solve for x
    x = 37,226,748,853.86/222,964.95
  6. Step 6: Final answer
    x = 166,962.34

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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.