Home / 207,433.36-286,261.68-122,550.22

Finding the Fourth Proportional to 207,433.36, 286,261.68 and 122,550.22

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Solution

The fourth proportional to 207,433.36, 286,261.68 and 122,550.22 is: 169,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,433.36 : 286,261.68 = 122,550.22 : x
  2. Step 2: Convert to fraction form
    207,433.36/286,261.68 = 122,550.22/x
  3. Step 3: Cross multiply
    207,433.36x = 286,261.68 × 122,550.22
  4. Step 4: Simplify right side
    207,433.36x = 35,081,431,861.57
  5. Step 5: Solve for x
    x = 35,081,431,861.57/207,433.36
  6. Step 6: Final answer
    x = 169,121.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.