Home / 203,066.08-304,631.76-69,913.60

Finding the Fourth Proportional to 203,066.08, 304,631.76 and 69,913.60

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Solution

The fourth proportional to 203,066.08, 304,631.76 and 69,913.60 is: 104,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,066.08 : 304,631.76 = 69,913.60 : x
  2. Step 2: Convert to fraction form
    203,066.08/304,631.76 = 69,913.60/x
  3. Step 3: Cross multiply
    203,066.08x = 304,631.76 × 69,913.60
  4. Step 4: Simplify right side
    203,066.08x = 21,297,903,015.94
  5. Step 5: Solve for x
    x = 21,297,903,015.94/203,066.08
  6. Step 6: Final answer
    x = 104,881.64

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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.