Home / 190,199.02-262,471.44-105,314.26

Finding the Fourth Proportional to 190,199.02, 262,471.44 and 105,314.26

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Solution

The fourth proportional to 190,199.02, 262,471.44 and 105,314.26 is: 145,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199.02 : 262,471.44 = 105,314.26 : x
  2. Step 2: Convert to fraction form
    190,199.02/262,471.44 = 105,314.26/x
  3. Step 3: Cross multiply
    190,199.02x = 262,471.44 × 105,314.26
  4. Step 4: Simplify right side
    190,199.02x = 27,641,985,474.73
  5. Step 5: Solve for x
    x = 27,641,985,474.73/190,199.02
  6. Step 6: Final answer
    x = 145,331.90

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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.