Home / 190,203.30-285,099.01-123,691.16

Finding the Fourth Proportional to 190,203.30, 285,099.01 and 123,691.16

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Solution

The fourth proportional to 190,203.30, 285,099.01 and 123,691.16 is: 185,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203.30 : 285,099.01 = 123,691.16 : x
  2. Step 2: Convert to fraction form
    190,203.30/285,099.01 = 123,691.16/x
  3. Step 3: Cross multiply
    190,203.30x = 285,099.01 × 123,691.16
  4. Step 4: Simplify right side
    190,203.30x = 35,264,227,665.27
  5. Step 5: Solve for x
    x = 35,264,227,665.27/190,203.30
  6. Step 6: Final answer
    x = 185,402.82

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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.