Home / 235,422.05-353,142.32-123,025.91

Finding the Fourth Proportional to 235,422.05, 353,142.32 and 123,025.91

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Solution

The fourth proportional to 235,422.05, 353,142.32 and 123,025.91 is: 184,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,422.05 : 353,142.32 = 123,025.91 : x
  2. Step 2: Convert to fraction form
    235,422.05/353,142.32 = 123,025.91/x
  3. Step 3: Cross multiply
    235,422.05x = 353,142.32 × 123,025.91
  4. Step 4: Simplify right side
    235,422.05x = 43,445,652,896.67
  5. Step 5: Solve for x
    x = 43,445,652,896.67/235,422.05
  6. Step 6: Final answer
    x = 184,543.69

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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.