Home / 222,316.11-306,767.66-126,817.11

Finding the Fourth Proportional to 222,316.11, 306,767.66 and 126,817.11

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Solution

The fourth proportional to 222,316.11, 306,767.66 and 126,817.11 is: 174,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,316.11 : 306,767.66 = 126,817.11 : x
  2. Step 2: Convert to fraction form
    222,316.11/306,767.66 = 126,817.11/x
  3. Step 3: Cross multiply
    222,316.11x = 306,767.66 × 126,817.11
  4. Step 4: Simplify right side
    222,316.11x = 38,903,387,448.58
  5. Step 5: Solve for x
    x = 38,903,387,448.58/222,316.11
  6. Step 6: Final answer
    x = 174,991.31

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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.