Home / 638,015.22-957,162.96-188,701.07

Finding the Fourth Proportional to 638,015.22, 957,162.96 and 188,701.07

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Solution

The fourth proportional to 638,015.22, 957,162.96 and 188,701.07 is: 283,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,015.22 : 957,162.96 = 188,701.07 : x
  2. Step 2: Convert to fraction form
    638,015.22/957,162.96 = 188,701.07/x
  3. Step 3: Cross multiply
    638,015.22x = 957,162.96 × 188,701.07
  4. Step 4: Simplify right side
    638,015.22x = 180,617,669,930.55
  5. Step 5: Solve for x
    x = 180,617,669,930.55/638,015.22
  6. Step 6: Final answer
    x = 283,093.04

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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.