Home / 190,611.82-263,075.86-105,756.22

Finding the Fourth Proportional to 190,611.82, 263,075.86 and 105,756.22

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Solution

The fourth proportional to 190,611.82, 263,075.86 and 105,756.22 is: 145,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,611.82 : 263,075.86 = 105,756.22 : x
  2. Step 2: Convert to fraction form
    190,611.82/263,075.86 = 105,756.22/x
  3. Step 3: Cross multiply
    190,611.82x = 263,075.86 × 105,756.22
  4. Step 4: Simplify right side
    190,611.82x = 27,821,908,526.85
  5. Step 5: Solve for x
    x = 27,821,908,526.85/190,611.82
  6. Step 6: Final answer
    x = 145,961.09

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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.