Home / 223,015.20-334,522.80-73,278.60

Finding the Fourth Proportional to 223,015.20, 334,522.80 and 73,278.60

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Solution

The fourth proportional to 223,015.20, 334,522.80 and 73,278.60 is: 109,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,015.20 : 334,522.80 = 73,278.60 : x
  2. Step 2: Convert to fraction form
    223,015.20/334,522.80 = 73,278.60/x
  3. Step 3: Cross multiply
    223,015.20x = 334,522.80 × 73,278.60
  4. Step 4: Simplify right side
    223,015.20x = 24,513,362,452.08
  5. Step 5: Solve for x
    x = 24,513,362,452.08/223,015.20
  6. Step 6: Final answer
    x = 109,917.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.