Home / 190,445.82-262,805.11-109,868.55

Finding the Fourth Proportional to 190,445.82, 262,805.11 and 109,868.55

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Solution

The fourth proportional to 190,445.82, 262,805.11 and 109,868.55 is: 151,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,445.82 : 262,805.11 = 109,868.55 : x
  2. Step 2: Convert to fraction form
    190,445.82/262,805.11 = 109,868.55/x
  3. Step 3: Cross multiply
    190,445.82x = 262,805.11 × 109,868.55
  4. Step 4: Simplify right side
    190,445.82x = 28,874,016,368.29
  5. Step 5: Solve for x
    x = 28,874,016,368.29/190,445.82
  6. Step 6: Final answer
    x = 151,612.76

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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.