Home / 250,014.75-345,021.27-135,293.38

Finding the Fourth Proportional to 250,014.75, 345,021.27 and 135,293.38

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Solution

The fourth proportional to 250,014.75, 345,021.27 and 135,293.38 is: 186,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,014.75 : 345,021.27 = 135,293.38 : x
  2. Step 2: Convert to fraction form
    250,014.75/345,021.27 = 135,293.38/x
  3. Step 3: Cross multiply
    250,014.75x = 345,021.27 × 135,293.38
  4. Step 4: Simplify right side
    250,014.75x = 46,679,094,361.03
  5. Step 5: Solve for x
    x = 46,679,094,361.03/250,014.75
  6. Step 6: Final answer
    x = 186,705.36

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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.