Home / 103,679.45-155,227.57-93,181.85

Finding the Fourth Proportional to 103,679.45, 155,227.57 and 93,181.85

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Solution

The fourth proportional to 103,679.45, 155,227.57 and 93,181.85 is: 139,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,679.45 : 155,227.57 = 93,181.85 : x
  2. Step 2: Convert to fraction form
    103,679.45/155,227.57 = 93,181.85/x
  3. Step 3: Cross multiply
    103,679.45x = 155,227.57 × 93,181.85
  4. Step 4: Simplify right side
    103,679.45x = 14,464,392,143.60
  5. Step 5: Solve for x
    x = 14,464,392,143.60/103,679.45
  6. Step 6: Final answer
    x = 139,510.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.