Home / 100,247.04-150,276.37-33,640.45

Finding the Fourth Proportional to 100,247.04, 150,276.37 and 33,640.45

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Solution

The fourth proportional to 100,247.04, 150,276.37 and 33,640.45 is: 50,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,247.04 : 150,276.37 = 33,640.45 : x
  2. Step 2: Convert to fraction form
    100,247.04/150,276.37 = 33,640.45/x
  3. Step 3: Cross multiply
    100,247.04x = 150,276.37 × 33,640.45
  4. Step 4: Simplify right side
    100,247.04x = 5,055,364,711.17
  5. Step 5: Solve for x
    x = 5,055,364,711.17/100,247.04
  6. Step 6: Final answer
    x = 50,429.07

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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.