Home / 186,724.22-280,085.63-80,099.08

Finding the Fourth Proportional to 186,724.22, 280,085.63 and 80,099.08

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Solution

The fourth proportional to 186,724.22, 280,085.63 and 80,099.08 is: 120,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,724.22 : 280,085.63 = 80,099.08 : x
  2. Step 2: Convert to fraction form
    186,724.22/280,085.63 = 80,099.08/x
  3. Step 3: Cross multiply
    186,724.22x = 280,085.63 × 80,099.08
  4. Step 4: Simplify right side
    186,724.22x = 22,434,600,183.51
  5. Step 5: Solve for x
    x = 22,434,600,183.51/186,724.22
  6. Step 6: Final answer
    x = 120,148.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.