Home / 222,355.04-306,850.07-120,380.53

Finding the Fourth Proportional to 222,355.04, 306,850.07 and 120,380.53

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Solution

The fourth proportional to 222,355.04, 306,850.07 and 120,380.53 is: 166,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,355.04 : 306,850.07 = 120,380.53 : x
  2. Step 2: Convert to fraction form
    222,355.04/306,850.07 = 120,380.53/x
  3. Step 3: Cross multiply
    222,355.04x = 306,850.07 × 120,380.53
  4. Step 4: Simplify right side
    222,355.04x = 36,938,774,166.31
  5. Step 5: Solve for x
    x = 36,938,774,166.31/222,355.04
  6. Step 6: Final answer
    x = 166,125.19

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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.