Home / 190,206.88-262,483.61-102,991.56

Finding the Fourth Proportional to 190,206.88, 262,483.61 and 102,991.56

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Solution

The fourth proportional to 190,206.88, 262,483.61 and 102,991.56 is: 142,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,206.88 : 262,483.61 = 102,991.56 : x
  2. Step 2: Convert to fraction form
    190,206.88/262,483.61 = 102,991.56/x
  3. Step 3: Cross multiply
    190,206.88x = 262,483.61 × 102,991.56
  4. Step 4: Simplify right side
    190,206.88x = 27,033,595,953.37
  5. Step 5: Solve for x
    x = 27,033,595,953.37/190,206.88
  6. Step 6: Final answer
    x = 142,127.33

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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.