Home / 190,625.60-263,059.20-105,740.80

Finding the Fourth Proportional to 190,625.60, 263,059.20 and 105,740.80

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Solution

The fourth proportional to 190,625.60, 263,059.20 and 105,740.80 is: 145,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625.60 : 263,059.20 = 105,740.80 : x
  2. Step 2: Convert to fraction form
    190,625.60/263,059.20 = 105,740.80/x
  3. Step 3: Cross multiply
    190,625.60x = 263,059.20 × 105,740.80
  4. Step 4: Simplify right side
    190,625.60x = 27,816,090,255.36
  5. Step 5: Solve for x
    x = 27,816,090,255.36/190,625.60
  6. Step 6: Final answer
    x = 145,920.01

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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.