Home / 100,269.30-150,356.97-58,161.45

Finding the Fourth Proportional to 100,269.30, 150,356.97 and 58,161.45

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Solution

The fourth proportional to 100,269.30, 150,356.97 and 58,161.45 is: 87,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,269.30 : 150,356.97 = 58,161.45 : x
  2. Step 2: Convert to fraction form
    100,269.30/150,356.97 = 58,161.45/x
  3. Step 3: Cross multiply
    100,269.30x = 150,356.97 × 58,161.45
  4. Step 4: Simplify right side
    100,269.30x = 8,744,979,392.81
  5. Step 5: Solve for x
    x = 8,744,979,392.81/100,269.30
  6. Step 6: Final answer
    x = 87,214.92

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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.