Home / 190,669.56-263,119.50-105,784.44

Finding the Fourth Proportional to 190,669.56, 263,119.50 and 105,784.44

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Solution

The fourth proportional to 190,669.56, 263,119.50 and 105,784.44 is: 145,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.56 : 263,119.50 = 105,784.44 : x
  2. Step 2: Convert to fraction form
    190,669.56/263,119.50 = 105,784.44/x
  3. Step 3: Cross multiply
    190,669.56x = 263,119.50 × 105,784.44
  4. Step 4: Simplify right side
    190,669.56x = 27,833,948,960.58
  5. Step 5: Solve for x
    x = 27,833,948,960.58/190,669.56
  6. Step 6: Final answer
    x = 145,980.03

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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.