Home / 139,316.28-192,305.52-82,727.26

Finding the Fourth Proportional to 139,316.28, 192,305.52 and 82,727.26

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Solution

The fourth proportional to 139,316.28, 192,305.52 and 82,727.26 is: 114,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,316.28 : 192,305.52 = 82,727.26 : x
  2. Step 2: Convert to fraction form
    139,316.28/192,305.52 = 82,727.26/x
  3. Step 3: Cross multiply
    139,316.28x = 192,305.52 × 82,727.26
  4. Step 4: Simplify right side
    139,316.28x = 15,908,908,752.48
  5. Step 5: Solve for x
    x = 15,908,908,752.48/139,316.28
  6. Step 6: Final answer
    x = 114,192.75

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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.