Home / 228,321.88-342,337.02-109,757.32

Finding the Fourth Proportional to 228,321.88, 342,337.02 and 109,757.32

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Solution

The fourth proportional to 228,321.88, 342,337.02 and 109,757.32 is: 164,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,321.88 : 342,337.02 = 109,757.32 : x
  2. Step 2: Convert to fraction form
    228,321.88/342,337.02 = 109,757.32/x
  3. Step 3: Cross multiply
    228,321.88x = 342,337.02 × 109,757.32
  4. Step 4: Simplify right side
    228,321.88x = 37,573,993,851.99
  5. Step 5: Solve for x
    x = 37,573,993,851.99/228,321.88
  6. Step 6: Final answer
    x = 164,565.89

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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.