Home / 190,382.31-262,643.19-109,790.55

Finding the Fourth Proportional to 190,382.31, 262,643.19 and 109,790.55

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Solution

The fourth proportional to 190,382.31, 262,643.19 and 109,790.55 is: 151,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,382.31 : 262,643.19 = 109,790.55 : x
  2. Step 2: Convert to fraction form
    190,382.31/262,643.19 = 109,790.55/x
  3. Step 3: Cross multiply
    190,382.31x = 262,643.19 × 109,790.55
  4. Step 4: Simplify right side
    190,382.31x = 28,835,740,283.85
  5. Step 5: Solve for x
    x = 28,835,740,283.85/190,382.31
  6. Step 6: Final answer
    x = 151,462.29

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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.