Home / 190,770.72-263,254.20-104,727.60

Finding the Fourth Proportional to 190,770.72, 263,254.20 and 104,727.60

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Solution

The fourth proportional to 190,770.72, 263,254.20 and 104,727.60 is: 144,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,770.72 : 263,254.20 = 104,727.60 : x
  2. Step 2: Convert to fraction form
    190,770.72/263,254.20 = 104,727.60/x
  3. Step 3: Cross multiply
    190,770.72x = 263,254.20 × 104,727.60
  4. Step 4: Simplify right side
    190,770.72x = 27,569,980,555.92
  5. Step 5: Solve for x
    x = 27,569,980,555.92/190,770.72
  6. Step 6: Final answer
    x = 144,518.93

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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.