Home / 222,199.04-306,315.68-158,426.12

Finding the Fourth Proportional to 222,199.04, 306,315.68 and 158,426.12

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Solution

The fourth proportional to 222,199.04, 306,315.68 and 158,426.12 is: 218,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,199.04 : 306,315.68 = 158,426.12 : x
  2. Step 2: Convert to fraction form
    222,199.04/306,315.68 = 158,426.12/x
  3. Step 3: Cross multiply
    222,199.04x = 306,315.68 × 158,426.12
  4. Step 4: Simplify right side
    222,199.04x = 48,528,404,677.56
  5. Step 5: Solve for x
    x = 48,528,404,677.56/222,199.04
  6. Step 6: Final answer
    x = 218,400.60

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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.