Home / 140,069.84-193,297.77-76,408.97

Finding the Fourth Proportional to 140,069.84, 193,297.77 and 76,408.97

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Solution

The fourth proportional to 140,069.84, 193,297.77 and 76,408.97 is: 105,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,069.84 : 193,297.77 = 76,408.97 : x
  2. Step 2: Convert to fraction form
    140,069.84/193,297.77 = 76,408.97/x
  3. Step 3: Cross multiply
    140,069.84x = 193,297.77 × 76,408.97
  4. Step 4: Simplify right side
    140,069.84x = 14,769,683,509.00
  5. Step 5: Solve for x
    x = 14,769,683,509.00/140,069.84
  6. Step 6: Final answer
    x = 105,445.14

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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.