Home / 100,165.18-150,223.17-33,603.82

Finding the Fourth Proportional to 100,165.18, 150,223.17 and 33,603.82

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Solution

The fourth proportional to 100,165.18, 150,223.17 and 33,603.82 is: 50,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,165.18 : 150,223.17 = 33,603.82 : x
  2. Step 2: Convert to fraction form
    100,165.18/150,223.17 = 33,603.82/x
  3. Step 3: Cross multiply
    100,165.18x = 150,223.17 × 33,603.82
  4. Step 4: Simplify right side
    100,165.18x = 5,048,072,364.51
  5. Step 5: Solve for x
    x = 5,048,072,364.51/100,165.18
  6. Step 6: Final answer
    x = 50,397.48

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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.