Home / 104,190.39-143,782.56-56,444.94

Finding the Fourth Proportional to 104,190.39, 143,782.56 and 56,444.94

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Solution

The fourth proportional to 104,190.39, 143,782.56 and 56,444.94 is: 77,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,190.39 : 143,782.56 = 56,444.94 : x
  2. Step 2: Convert to fraction form
    104,190.39/143,782.56 = 56,444.94/x
  3. Step 3: Cross multiply
    104,190.39x = 143,782.56 × 56,444.94
  4. Step 4: Simplify right side
    104,190.39x = 8,115,797,972.25
  5. Step 5: Solve for x
    x = 8,115,797,972.25/104,190.39
  6. Step 6: Final answer
    x = 77,893.92

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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.