Home / 222,316.12-306,767.41-126,817.12

Finding the Fourth Proportional to 222,316.12, 306,767.41 and 126,817.12

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Solution

The fourth proportional to 222,316.12, 306,767.41 and 126,817.12 is: 174,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,316.12 : 306,767.41 = 126,817.12 : x
  2. Step 2: Convert to fraction form
    222,316.12/306,767.41 = 126,817.12/x
  3. Step 3: Cross multiply
    222,316.12x = 306,767.41 × 126,817.12
  4. Step 4: Simplify right side
    222,316.12x = 38,903,359,446.06
  5. Step 5: Solve for x
    x = 38,903,359,446.06/222,316.12
  6. Step 6: Final answer
    x = 174,991.18

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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.