Home / 104,249.03-143,864.39-56,503.18

Finding the Fourth Proportional to 104,249.03, 143,864.39 and 56,503.18

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Solution

The fourth proportional to 104,249.03, 143,864.39 and 56,503.18 is: 77,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,249.03 : 143,864.39 = 56,503.18 : x
  2. Step 2: Convert to fraction form
    104,249.03/143,864.39 = 56,503.18/x
  3. Step 3: Cross multiply
    104,249.03x = 143,864.39 × 56,503.18
  4. Step 4: Simplify right side
    104,249.03x = 8,128,795,305.36
  5. Step 5: Solve for x
    x = 8,128,795,305.36/104,249.03
  6. Step 6: Final answer
    x = 77,974.78

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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.