Home / 222,280.12-306,744.19-120,303.46

Finding the Fourth Proportional to 222,280.12, 306,744.19 and 120,303.46

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Solution

The fourth proportional to 222,280.12, 306,744.19 and 120,303.46 is: 166,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,280.12 : 306,744.19 = 120,303.46 : x
  2. Step 2: Convert to fraction form
    222,280.12/306,744.19 = 120,303.46/x
  3. Step 3: Cross multiply
    222,280.12x = 306,744.19 × 120,303.46
  4. Step 4: Simplify right side
    222,280.12x = 36,902,387,391.90
  5. Step 5: Solve for x
    x = 36,902,387,391.90/222,280.12
  6. Step 6: Final answer
    x = 166,017.49

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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.