Home / 100,114.07-150,176.09-29,986.70

Finding the Fourth Proportional to 100,114.07, 150,176.09 and 29,986.70

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Solution

The fourth proportional to 100,114.07, 150,176.09 and 29,986.70 is: 44,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,114.07 : 150,176.09 = 29,986.70 : x
  2. Step 2: Convert to fraction form
    100,114.07/150,176.09 = 29,986.70/x
  3. Step 3: Cross multiply
    100,114.07x = 150,176.09 × 29,986.70
  4. Step 4: Simplify right side
    100,114.07x = 4,503,284,457.19
  5. Step 5: Solve for x
    x = 4,503,284,457.19/100,114.07
  6. Step 6: Final answer
    x = 44,981.54

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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.