Home / 102,136.12-140,901.78-59,675.56

Finding the Fourth Proportional to 102,136.12, 140,901.78 and 59,675.56

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Solution

The fourth proportional to 102,136.12, 140,901.78 and 59,675.56 is: 82,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,136.12 : 140,901.78 = 59,675.56 : x
  2. Step 2: Convert to fraction form
    102,136.12/140,901.78 = 59,675.56/x
  3. Step 3: Cross multiply
    102,136.12x = 140,901.78 × 59,675.56
  4. Step 4: Simplify right side
    102,136.12x = 8,408,392,626.50
  5. Step 5: Solve for x
    x = 8,408,392,626.50/102,136.12
  6. Step 6: Final answer
    x = 82,325.36

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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.