Home / 150,271.84-207,372.40-82,287.56

Finding the Fourth Proportional to 150,271.84, 207,372.40 and 82,287.56

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Solution

The fourth proportional to 150,271.84, 207,372.40 and 82,287.56 is: 113,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,271.84 : 207,372.40 = 82,287.56 : x
  2. Step 2: Convert to fraction form
    150,271.84/207,372.40 = 82,287.56/x
  3. Step 3: Cross multiply
    150,271.84x = 207,372.40 × 82,287.56
  4. Step 4: Simplify right side
    150,271.84x = 17,064,167,770.48
  5. Step 5: Solve for x
    x = 17,064,167,770.48/150,271.84
  6. Step 6: Final answer
    x = 113,555.33

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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.