Home / 103,195.08-154,792.83-28,316.25

Finding the Fourth Proportional to 103,195.08, 154,792.83 and 28,316.25

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Solution

The fourth proportional to 103,195.08, 154,792.83 and 28,316.25 is: 42,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,195.08 : 154,792.83 = 28,316.25 : x
  2. Step 2: Convert to fraction form
    103,195.08/154,792.83 = 28,316.25/x
  3. Step 3: Cross multiply
    103,195.08x = 154,792.83 × 28,316.25
  4. Step 4: Simplify right side
    103,195.08x = 4,383,152,472.49
  5. Step 5: Solve for x
    x = 4,383,152,472.49/103,195.08
  6. Step 6: Final answer
    x = 42,474.43

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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.