Home / 100,210.77-150,319.80-33,653.07

Finding the Fourth Proportional to 100,210.77, 150,319.80 and 33,653.07

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Solution

The fourth proportional to 100,210.77, 150,319.80 and 33,653.07 is: 50,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,210.77 : 150,319.80 = 33,653.07 : x
  2. Step 2: Convert to fraction form
    100,210.77/150,319.80 = 33,653.07/x
  3. Step 3: Cross multiply
    100,210.77x = 150,319.80 × 33,653.07
  4. Step 4: Simplify right side
    100,210.77x = 5,058,722,751.79
  5. Step 5: Solve for x
    x = 5,058,722,751.79/100,210.77
  6. Step 6: Final answer
    x = 50,480.83

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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.