Home / 189,515.54-261,532.34-103,476.26

Finding the Fourth Proportional to 189,515.54, 261,532.34 and 103,476.26

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Solution

The fourth proportional to 189,515.54, 261,532.34 and 103,476.26 is: 142,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,515.54 : 261,532.34 = 103,476.26 : x
  2. Step 2: Convert to fraction form
    189,515.54/261,532.34 = 103,476.26/x
  3. Step 3: Cross multiply
    189,515.54x = 261,532.34 × 103,476.26
  4. Step 4: Simplify right side
    189,515.54x = 27,062,389,423.56
  5. Step 5: Solve for x
    x = 27,062,389,423.56/189,515.54
  6. Step 6: Final answer
    x = 142,797.73

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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.