Home / 143,234.10-214,851.15-130,112.10

Finding the Fourth Proportional to 143,234.10, 214,851.15 and 130,112.10

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Solution

The fourth proportional to 143,234.10, 214,851.15 and 130,112.10 is: 195,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,234.10 : 214,851.15 = 130,112.10 : x
  2. Step 2: Convert to fraction form
    143,234.10/214,851.15 = 130,112.10/x
  3. Step 3: Cross multiply
    143,234.10x = 214,851.15 × 130,112.10
  4. Step 4: Simplify right side
    143,234.10x = 27,954,734,313.92
  5. Step 5: Solve for x
    x = 27,954,734,313.92/143,234.10
  6. Step 6: Final answer
    x = 195,168.15

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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.