Home / 139,251.74-192,167.55-75,589.52

Finding the Fourth Proportional to 139,251.74, 192,167.55 and 75,589.52

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Solution

The fourth proportional to 139,251.74, 192,167.55 and 75,589.52 is: 104,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,251.74 : 192,167.55 = 75,589.52 : x
  2. Step 2: Convert to fraction form
    139,251.74/192,167.55 = 75,589.52/x
  3. Step 3: Cross multiply
    139,251.74x = 192,167.55 × 75,589.52
  4. Step 4: Simplify right side
    139,251.74x = 14,525,851,903.24
  5. Step 5: Solve for x
    x = 14,525,851,903.24/139,251.74
  6. Step 6: Final answer
    x = 104,313.62

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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.