Home / 190,283.98-262,600.54-105,401.04

Finding the Fourth Proportional to 190,283.98, 262,600.54 and 105,401.04

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Solution

The fourth proportional to 190,283.98, 262,600.54 and 105,401.04 is: 145,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,283.98 : 262,600.54 = 105,401.04 : x
  2. Step 2: Convert to fraction form
    190,283.98/262,600.54 = 105,401.04/x
  3. Step 3: Cross multiply
    190,283.98x = 262,600.54 × 105,401.04
  4. Step 4: Simplify right side
    190,283.98x = 27,678,370,020.56
  5. Step 5: Solve for x
    x = 27,678,370,020.56/190,283.98
  6. Step 6: Final answer
    x = 145,458.23

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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.