Home / 188,699.23-283,039.62-70,361.34

Finding the Fourth Proportional to 188,699.23, 283,039.62 and 70,361.34

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Solution

The fourth proportional to 188,699.23, 283,039.62 and 70,361.34 is: 105,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,699.23 : 283,039.62 = 70,361.34 : x
  2. Step 2: Convert to fraction form
    188,699.23/283,039.62 = 70,361.34/x
  3. Step 3: Cross multiply
    188,699.23x = 283,039.62 × 70,361.34
  4. Step 4: Simplify right side
    188,699.23x = 19,915,046,936.29
  5. Step 5: Solve for x
    x = 19,915,046,936.29/188,699.23
  6. Step 6: Final answer
    x = 105,538.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.