Home / 104,173.18-143,664.50-68,349.58

Finding the Fourth Proportional to 104,173.18, 143,664.50 and 68,349.58

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Solution

The fourth proportional to 104,173.18, 143,664.50 and 68,349.58 is: 94,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,173.18 : 143,664.50 = 68,349.58 : x
  2. Step 2: Convert to fraction form
    104,173.18/143,664.50 = 68,349.58/x
  3. Step 3: Cross multiply
    104,173.18x = 143,664.50 × 68,349.58
  4. Step 4: Simplify right side
    104,173.18x = 9,819,408,235.91
  5. Step 5: Solve for x
    x = 9,819,408,235.91/104,173.18
  6. Step 6: Final answer
    x = 94,260.43

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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.