Home / 190,668.59-263,119.15-105,783.83

Finding the Fourth Proportional to 190,668.59, 263,119.15 and 105,783.83

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Solution

The fourth proportional to 190,668.59, 263,119.15 and 105,783.83 is: 145,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,668.59 : 263,119.15 = 105,783.83 : x
  2. Step 2: Convert to fraction form
    190,668.59/263,119.15 = 105,783.83/x
  3. Step 3: Cross multiply
    190,668.59x = 263,119.15 × 105,783.83
  4. Step 4: Simplify right side
    190,668.59x = 27,833,751,433.34
  5. Step 5: Solve for x
    x = 27,833,751,433.34/190,668.59
  6. Step 6: Final answer
    x = 145,979.74

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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.