Home / 638,105.63-957,311.19-182,703.20

Finding the Fourth Proportional to 638,105.63, 957,311.19 and 182,703.20

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Solution

The fourth proportional to 638,105.63, 957,311.19 and 182,703.20 is: 274,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,105.63 : 957,311.19 = 182,703.20 : x
  2. Step 2: Convert to fraction form
    638,105.63/957,311.19 = 182,703.20/x
  3. Step 3: Cross multiply
    638,105.63x = 957,311.19 × 182,703.20
  4. Step 4: Simplify right side
    638,105.63x = 174,903,813,022.25
  5. Step 5: Solve for x
    x = 174,903,813,022.25/638,105.63
  6. Step 6: Final answer
    x = 274,098.53

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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.