Home / 101,150.13-139,593.54-58,143.39

Finding the Fourth Proportional to 101,150.13, 139,593.54 and 58,143.39

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Solution

The fourth proportional to 101,150.13, 139,593.54 and 58,143.39 is: 80,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,150.13 : 139,593.54 = 58,143.39 : x
  2. Step 2: Convert to fraction form
    101,150.13/139,593.54 = 58,143.39/x
  3. Step 3: Cross multiply
    101,150.13x = 139,593.54 × 58,143.39
  4. Step 4: Simplify right side
    101,150.13x = 8,116,441,637.70
  5. Step 5: Solve for x
    x = 8,116,441,637.70/101,150.13
  6. Step 6: Final answer
    x = 80,241.53

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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.