Home / 190,940.52-263,498.02-104,905.05

Finding the Fourth Proportional to 190,940.52, 263,498.02 and 104,905.05

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Solution

The fourth proportional to 190,940.52, 263,498.02 and 104,905.05 is: 144,769.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,940.52 : 263,498.02 = 104,905.05 : x
  2. Step 2: Convert to fraction form
    190,940.52/263,498.02 = 104,905.05/x
  3. Step 3: Cross multiply
    190,940.52x = 263,498.02 × 104,905.05
  4. Step 4: Simplify right side
    190,940.52x = 27,642,271,120.99
  5. Step 5: Solve for x
    x = 27,642,271,120.99/190,940.52
  6. Step 6: Final answer
    x = 144,769.02

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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.