Home / 190,651.59-263,099.43-105,768.63

Finding the Fourth Proportional to 190,651.59, 263,099.43 and 105,768.63

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Solution

The fourth proportional to 190,651.59, 263,099.43 and 105,768.63 is: 145,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,651.59 : 263,099.43 = 105,768.63 : x
  2. Step 2: Convert to fraction form
    190,651.59/263,099.43 = 105,768.63/x
  3. Step 3: Cross multiply
    190,651.59x = 263,099.43 × 105,768.63
  4. Step 4: Simplify right side
    190,651.59x = 27,827,666,264.88
  5. Step 5: Solve for x
    x = 27,827,666,264.88/190,651.59
  6. Step 6: Final answer
    x = 145,960.84

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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.