Home / 228,248.10-342,372.15-109,890.90

Finding the Fourth Proportional to 228,248.10, 342,372.15 and 109,890.90

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Solution

The fourth proportional to 228,248.10, 342,372.15 and 109,890.90 is: 164,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,248.10 : 342,372.15 = 109,890.90 : x
  2. Step 2: Convert to fraction form
    228,248.10/342,372.15 = 109,890.90/x
  3. Step 3: Cross multiply
    228,248.10x = 342,372.15 × 109,890.90
  4. Step 4: Simplify right side
    228,248.10x = 37,623,583,698.44
  5. Step 5: Solve for x
    x = 37,623,583,698.44/228,248.10
  6. Step 6: Final answer
    x = 164,836.35

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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.