Home / 222,454.16-306,985.01-120,477.26

Finding the Fourth Proportional to 222,454.16, 306,985.01 and 120,477.26

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Solution

The fourth proportional to 222,454.16, 306,985.01 and 120,477.26 is: 166,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,454.16 : 306,985.01 = 120,477.26 : x
  2. Step 2: Convert to fraction form
    222,454.16/306,985.01 = 120,477.26/x
  3. Step 3: Cross multiply
    222,454.16x = 306,985.01 × 120,477.26
  4. Step 4: Simplify right side
    222,454.16x = 36,984,710,728.56
  5. Step 5: Solve for x
    x = 36,984,710,728.56/222,454.16
  6. Step 6: Final answer
    x = 166,257.68

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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.