Home / 100,112.04-150,204.98-52,725.21

Finding the Fourth Proportional to 100,112.04, 150,204.98 and 52,725.21

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Solution

The fourth proportional to 100,112.04, 150,204.98 and 52,725.21 is: 79,107.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,112.04 : 150,204.98 = 52,725.21 : x
  2. Step 2: Convert to fraction form
    100,112.04/150,204.98 = 52,725.21/x
  3. Step 3: Cross multiply
    100,112.04x = 150,204.98 × 52,725.21
  4. Step 4: Simplify right side
    100,112.04x = 7,919,588,849.92
  5. Step 5: Solve for x
    x = 7,919,588,849.92/100,112.04
  6. Step 6: Final answer
    x = 79,107.26

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1.5x scale

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.