Home / 104,194.76-143,789.43-56,448.09

Finding the Fourth Proportional to 104,194.76, 143,789.43 and 56,448.09

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Solution

The fourth proportional to 104,194.76, 143,789.43 and 56,448.09 is: 77,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,194.76 : 143,789.43 = 56,448.09 : x
  2. Step 2: Convert to fraction form
    104,194.76/143,789.43 = 56,448.09/x
  3. Step 3: Cross multiply
    104,194.76x = 143,789.43 × 56,448.09
  4. Step 4: Simplify right side
    104,194.76x = 8,116,638,579.85
  5. Step 5: Solve for x
    x = 8,116,638,579.85/104,194.76
  6. Step 6: Final answer
    x = 77,898.73

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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.