Home / 139,513.77-192,187.23-101,160.60

Finding the Fourth Proportional to 139,513.77, 192,187.23 and 101,160.60

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Solution

The fourth proportional to 139,513.77, 192,187.23 and 101,160.60 is: 139,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,513.77 : 192,187.23 = 101,160.60 : x
  2. Step 2: Convert to fraction form
    139,513.77/192,187.23 = 101,160.60/x
  3. Step 3: Cross multiply
    139,513.77x = 192,187.23 × 101,160.60
  4. Step 4: Simplify right side
    139,513.77x = 19,441,775,499.14
  5. Step 5: Solve for x
    x = 19,441,775,499.14/139,513.77
  6. Step 6: Final answer
    x = 139,353.81

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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.