Home / 209,406.42-314,112.96-51,634.92

Finding the Fourth Proportional to 209,406.42, 314,112.96 and 51,634.92

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Solution

The fourth proportional to 209,406.42, 314,112.96 and 51,634.92 is: 77,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,406.42 : 314,112.96 = 51,634.92 : x
  2. Step 2: Convert to fraction form
    209,406.42/314,112.96 = 51,634.92/x
  3. Step 3: Cross multiply
    209,406.42x = 314,112.96 × 51,634.92
  4. Step 4: Simplify right side
    209,406.42x = 16,219,197,560.56
  5. Step 5: Solve for x
    x = 16,219,197,560.56/209,406.42
  6. Step 6: Final answer
    x = 77,453.20

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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.