Home / 207,223.59-310,835.39-66,982.22

Finding the Fourth Proportional to 207,223.59, 310,835.39 and 66,982.22

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Solution

The fourth proportional to 207,223.59, 310,835.39 and 66,982.22 is: 100,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,223.59 : 310,835.39 = 66,982.22 : x
  2. Step 2: Convert to fraction form
    207,223.59/310,835.39 = 66,982.22/x
  3. Step 3: Cross multiply
    207,223.59x = 310,835.39 × 66,982.22
  4. Step 4: Simplify right side
    207,223.59x = 20,820,444,255.68
  5. Step 5: Solve for x
    x = 20,820,444,255.68/207,223.59
  6. Step 6: Final answer
    x = 100,473.33

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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.