Home / 100,106.50-150,161.62-46,783.84

Finding the Fourth Proportional to 100,106.50, 150,161.62 and 46,783.84

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Solution

The fourth proportional to 100,106.50, 150,161.62 and 46,783.84 is: 70,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,106.50 : 150,161.62 = 46,783.84 : x
  2. Step 2: Convert to fraction form
    100,106.50/150,161.62 = 46,783.84/x
  3. Step 3: Cross multiply
    100,106.50x = 150,161.62 × 46,783.84
  4. Step 4: Simplify right side
    100,106.50x = 7,025,137,204.22
  5. Step 5: Solve for x
    x = 7,025,137,204.22/100,106.50
  6. Step 6: Final answer
    x = 70,176.64

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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.