Home / 142,370.82-213,944.22-75,858.48

Finding the Fourth Proportional to 142,370.82, 213,944.22 and 75,858.48

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Solution

The fourth proportional to 142,370.82, 213,944.22 and 75,858.48 is: 113,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,370.82 : 213,944.22 = 75,858.48 : x
  2. Step 2: Convert to fraction form
    142,370.82/213,944.22 = 75,858.48/x
  3. Step 3: Cross multiply
    142,370.82x = 213,944.22 × 75,858.48
  4. Step 4: Simplify right side
    142,370.82x = 16,229,483,333.99
  5. Step 5: Solve for x
    x = 16,229,483,333.99/142,370.82
  6. Step 6: Final answer
    x = 113,994.45

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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.