Home / 250,515.44-345,710.58-137,338.28

Finding the Fourth Proportional to 250,515.44, 345,710.58 and 137,338.28

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Solution

The fourth proportional to 250,515.44, 345,710.58 and 137,338.28 is: 189,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,515.44 : 345,710.58 = 137,338.28 : x
  2. Step 2: Convert to fraction form
    250,515.44/345,710.58 = 137,338.28/x
  3. Step 3: Cross multiply
    250,515.44x = 345,710.58 × 137,338.28
  4. Step 4: Simplify right side
    250,515.44x = 47,479,296,435.00
  5. Step 5: Solve for x
    x = 47,479,296,435.00/250,515.44
  6. Step 6: Final answer
    x = 189,526.43

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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.