Home / 203,097.12-304,464.72-96,415.20

Finding the Fourth Proportional to 203,097.12, 304,464.72 and 96,415.20

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Solution

The fourth proportional to 203,097.12, 304,464.72 and 96,415.20 is: 144,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,097.12 : 304,464.72 = 96,415.20 : x
  2. Step 2: Convert to fraction form
    203,097.12/304,464.72 = 96,415.20/x
  3. Step 3: Cross multiply
    203,097.12x = 304,464.72 × 96,415.20
  4. Step 4: Simplify right side
    203,097.12x = 29,355,026,871.74
  5. Step 5: Solve for x
    x = 29,355,026,871.74/203,097.12
  6. Step 6: Final answer
    x = 144,536.89

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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.