Home / 190,665.04-263,112.75-104,623.76

Finding the Fourth Proportional to 190,665.04, 263,112.75 and 104,623.76

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Solution

The fourth proportional to 190,665.04, 263,112.75 and 104,623.76 is: 144,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,665.04 : 263,112.75 = 104,623.76 : x
  2. Step 2: Convert to fraction form
    190,665.04/263,112.75 = 104,623.76/x
  3. Step 3: Cross multiply
    190,665.04x = 263,112.75 × 104,623.76
  4. Step 4: Simplify right side
    190,665.04x = 27,527,843,370.26
  5. Step 5: Solve for x
    x = 27,527,843,370.26/190,665.04
  6. Step 6: Final answer
    x = 144,378.03

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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.