Home / 228,426.21-342,717.15-68,506.02

Finding the Fourth Proportional to 228,426.21, 342,717.15 and 68,506.02

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Solution

The fourth proportional to 228,426.21, 342,717.15 and 68,506.02 is: 102,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,426.21 : 342,717.15 = 68,506.02 : x
  2. Step 2: Convert to fraction form
    228,426.21/342,717.15 = 68,506.02/x
  3. Step 3: Cross multiply
    228,426.21x = 342,717.15 × 68,506.02
  4. Step 4: Simplify right side
    228,426.21x = 23,478,187,932.24
  5. Step 5: Solve for x
    x = 23,478,187,932.24/228,426.21
  6. Step 6: Final answer
    x = 102,782.37

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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.