Home / 150,117.38-207,160.23-82,133.57

Finding the Fourth Proportional to 150,117.38, 207,160.23 and 82,133.57

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Solution

The fourth proportional to 150,117.38, 207,160.23 and 82,133.57 is: 113,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,117.38 : 207,160.23 = 82,133.57 : x
  2. Step 2: Convert to fraction form
    150,117.38/207,160.23 = 82,133.57/x
  3. Step 3: Cross multiply
    150,117.38x = 207,160.23 × 82,133.57
  4. Step 4: Simplify right side
    150,117.38x = 17,014,810,077.82
  5. Step 5: Solve for x
    x = 17,014,810,077.82/150,117.38
  6. Step 6: Final answer
    x = 113,343.37

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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.