Home / 139,260.28-192,179.44-75,598.12

Finding the Fourth Proportional to 139,260.28, 192,179.44 and 75,598.12

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Solution

The fourth proportional to 139,260.28, 192,179.44 and 75,598.12 is: 104,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,260.28 : 192,179.44 = 75,598.12 : x
  2. Step 2: Convert to fraction form
    139,260.28/192,179.44 = 75,598.12/x
  3. Step 3: Cross multiply
    139,260.28x = 192,179.44 × 75,598.12
  4. Step 4: Simplify right side
    139,260.28x = 14,528,404,366.65
  5. Step 5: Solve for x
    x = 14,528,404,366.65/139,260.28
  6. Step 6: Final answer
    x = 104,325.54

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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.