Home / 222,207.72-306,686.57-125,441.07

Finding the Fourth Proportional to 222,207.72, 306,686.57 and 125,441.07

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Solution

The fourth proportional to 222,207.72, 306,686.57 and 125,441.07 is: 173,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,207.72 : 306,686.57 = 125,441.07 : x
  2. Step 2: Convert to fraction form
    222,207.72/306,686.57 = 125,441.07/x
  3. Step 3: Cross multiply
    222,207.72x = 306,686.57 × 125,441.07
  4. Step 4: Simplify right side
    222,207.72x = 38,471,090,868.22
  5. Step 5: Solve for x
    x = 38,471,090,868.22/222,207.72
  6. Step 6: Final answer
    x = 173,131.21

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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.