Home / 190,099.44-262,345.50-105,216.48

Finding the Fourth Proportional to 190,099.44, 262,345.50 and 105,216.48

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Solution

The fourth proportional to 190,099.44, 262,345.50 and 105,216.48 is: 145,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,099.44 : 262,345.50 = 105,216.48 : x
  2. Step 2: Convert to fraction form
    190,099.44/262,345.50 = 105,216.48/x
  3. Step 3: Cross multiply
    190,099.44x = 262,345.50 × 105,216.48
  4. Step 4: Simplify right side
    190,099.44x = 27,603,070,053.84
  5. Step 5: Solve for x
    x = 27,603,070,053.84/190,099.44
  6. Step 6: Final answer
    x = 145,203.32

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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.