Home / 222,036.40-306,410.01-120,061.62

Finding the Fourth Proportional to 222,036.40, 306,410.01 and 120,061.62

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Solution

The fourth proportional to 222,036.40, 306,410.01 and 120,061.62 is: 165,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,036.40 : 306,410.01 = 120,061.62 : x
  2. Step 2: Convert to fraction form
    222,036.40/306,410.01 = 120,061.62/x
  3. Step 3: Cross multiply
    222,036.40x = 306,410.01 × 120,061.62
  4. Step 4: Simplify right side
    222,036.40x = 36,788,082,184.82
  5. Step 5: Solve for x
    x = 36,788,082,184.82/222,036.40
  6. Step 6: Final answer
    x = 165,684.92

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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.