Home / 101,163.03-139,609.62-58,156.47

Finding the Fourth Proportional to 101,163.03, 139,609.62 and 58,156.47

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Solution

The fourth proportional to 101,163.03, 139,609.62 and 58,156.47 is: 80,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,163.03 : 139,609.62 = 58,156.47 : x
  2. Step 2: Convert to fraction form
    101,163.03/139,609.62 = 58,156.47/x
  3. Step 3: Cross multiply
    101,163.03x = 139,609.62 × 58,156.47
  4. Step 4: Simplify right side
    101,163.03x = 8,119,202,677.24
  5. Step 5: Solve for x
    x = 8,119,202,677.24/101,163.03
  6. Step 6: Final answer
    x = 80,258.60

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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.