Home / 190,029.36-262,245.96-105,154.32

Finding the Fourth Proportional to 190,029.36, 262,245.96 and 105,154.32

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Solution

The fourth proportional to 190,029.36, 262,245.96 and 105,154.32 is: 145,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,029.36 : 262,245.96 = 105,154.32 : x
  2. Step 2: Convert to fraction form
    190,029.36/262,245.96 = 105,154.32/x
  3. Step 3: Cross multiply
    190,029.36x = 262,245.96 × 105,154.32
  4. Step 4: Simplify right side
    190,029.36x = 27,576,295,596.55
  5. Step 5: Solve for x
    x = 27,576,295,596.55/190,029.36
  6. Step 6: Final answer
    x = 145,115.97

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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.