Home / 190,697.48-263,161.68-105,814.34

Finding the Fourth Proportional to 190,697.48, 263,161.68 and 105,814.34

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Solution

The fourth proportional to 190,697.48, 263,161.68 and 105,814.34 is: 146,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,697.48 : 263,161.68 = 105,814.34 : x
  2. Step 2: Convert to fraction form
    190,697.48/263,161.68 = 105,814.34/x
  3. Step 3: Cross multiply
    190,697.48x = 263,161.68 × 105,814.34
  4. Step 4: Simplify right side
    190,697.48x = 27,846,279,482.49
  5. Step 5: Solve for x
    x = 27,846,279,482.49/190,697.48
  6. Step 6: Final answer
    x = 146,023.32

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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.