Home / 139,250.52-192,169.20-75,588.32

Finding the Fourth Proportional to 139,250.52, 192,169.20 and 75,588.32

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Solution

The fourth proportional to 139,250.52, 192,169.20 and 75,588.32 is: 104,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,250.52 : 192,169.20 = 75,588.32 : x
  2. Step 2: Convert to fraction form
    139,250.52/192,169.20 = 75,588.32/x
  3. Step 3: Cross multiply
    139,250.52x = 192,169.20 × 75,588.32
  4. Step 4: Simplify right side
    139,250.52x = 14,525,746,022.90
  5. Step 5: Solve for x
    x = 14,525,746,022.90/139,250.52
  6. Step 6: Final answer
    x = 104,313.77

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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.