Home / 202,721.64-303,927.48-122,742.24

Finding the Fourth Proportional to 202,721.64, 303,927.48 and 122,742.24

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Solution

The fourth proportional to 202,721.64, 303,927.48 and 122,742.24 is: 184,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,721.64 : 303,927.48 = 122,742.24 : x
  2. Step 2: Convert to fraction form
    202,721.64/303,927.48 = 122,742.24/x
  3. Step 3: Cross multiply
    202,721.64x = 303,927.48 × 122,742.24
  4. Step 4: Simplify right side
    202,721.64x = 37,304,739,692.76
  5. Step 5: Solve for x
    x = 37,304,739,692.76/202,721.64
  6. Step 6: Final answer
    x = 184,019.52

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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.