Home / 190,713.23-263,192.46-105,830.30

Finding the Fourth Proportional to 190,713.23, 263,192.46 and 105,830.30

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Solution

The fourth proportional to 190,713.23, 263,192.46 and 105,830.30 is: 146,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,713.23 : 263,192.46 = 105,830.30 : x
  2. Step 2: Convert to fraction form
    190,713.23/263,192.46 = 105,830.30/x
  3. Step 3: Cross multiply
    190,713.23x = 263,192.46 × 105,830.30
  4. Step 4: Simplify right side
    190,713.23x = 27,853,736,673.14
  5. Step 5: Solve for x
    x = 27,853,736,673.14/190,713.23
  6. Step 6: Final answer
    x = 146,050.36

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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.