Home / 203,748.48-305,464.32-97,077.76

Finding the Fourth Proportional to 203,748.48, 305,464.32 and 97,077.76

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Solution

The fourth proportional to 203,748.48, 305,464.32 and 97,077.76 is: 145,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,748.48 : 305,464.32 = 97,077.76 : x
  2. Step 2: Convert to fraction form
    203,748.48/305,464.32 = 97,077.76/x
  3. Step 3: Cross multiply
    203,748.48x = 305,464.32 × 97,077.76
  4. Step 4: Simplify right side
    203,748.48x = 29,653,791,945.52
  5. Step 5: Solve for x
    x = 29,653,791,945.52/203,748.48
  6. Step 6: Final answer
    x = 145,541.17

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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.