Home / 222,189.27-306,302.24-158,416.35

Finding the Fourth Proportional to 222,189.27, 306,302.24 and 158,416.35

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Solution

The fourth proportional to 222,189.27, 306,302.24 and 158,416.35 is: 218,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,189.27 : 306,302.24 = 158,416.35 : x
  2. Step 2: Convert to fraction form
    222,189.27/306,302.24 = 158,416.35/x
  3. Step 3: Cross multiply
    222,189.27x = 306,302.24 × 158,416.35
  4. Step 4: Simplify right side
    222,189.27x = 48,523,282,065.54
  5. Step 5: Solve for x
    x = 48,523,282,065.54/222,189.27
  6. Step 6: Final answer
    x = 218,387.15

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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.