Home / 190,208.58-262,495.75-105,325.64

Finding the Fourth Proportional to 190,208.58, 262,495.75 and 105,325.64

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Solution

The fourth proportional to 190,208.58, 262,495.75 and 105,325.64 is: 145,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,208.58 : 262,495.75 = 105,325.64 : x
  2. Step 2: Convert to fraction form
    190,208.58/262,495.75 = 105,325.64/x
  3. Step 3: Cross multiply
    190,208.58x = 262,495.75 × 105,325.64
  4. Step 4: Simplify right side
    190,208.58x = 27,647,531,553.55
  5. Step 5: Solve for x
    x = 27,647,531,553.55/190,208.58
  6. Step 6: Final answer
    x = 145,353.76

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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.