Home / 104,220.45-143,824.34-56,473.38

Finding the Fourth Proportional to 104,220.45, 143,824.34 and 56,473.38

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Solution

The fourth proportional to 104,220.45, 143,824.34 and 56,473.38 is: 77,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,220.45 : 143,824.34 = 56,473.38 : x
  2. Step 2: Convert to fraction form
    104,220.45/143,824.34 = 56,473.38/x
  3. Step 3: Cross multiply
    104,220.45x = 143,824.34 × 56,473.38
  4. Step 4: Simplify right side
    104,220.45x = 8,122,246,747.25
  5. Step 5: Solve for x
    x = 8,122,246,747.25/104,220.45
  6. Step 6: Final answer
    x = 77,933.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.