Home / 100,310.72-150,701.13-94,636.35

Finding the Fourth Proportional to 100,310.72, 150,701.13 and 94,636.35

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Solution

The fourth proportional to 100,310.72, 150,701.13 and 94,636.35 is: 142,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,310.72 : 150,701.13 = 94,636.35 : x
  2. Step 2: Convert to fraction form
    100,310.72/150,701.13 = 94,636.35/x
  3. Step 3: Cross multiply
    100,310.72x = 150,701.13 × 94,636.35
  4. Step 4: Simplify right side
    100,310.72x = 14,261,804,884.08
  5. Step 5: Solve for x
    x = 14,261,804,884.08/100,310.72
  6. Step 6: Final answer
    x = 142,176.29

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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.