Home / 190,539.90-262,926.12-109,993.38

Finding the Fourth Proportional to 190,539.90, 262,926.12 and 109,993.38

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Solution

The fourth proportional to 190,539.90, 262,926.12 and 109,993.38 is: 151,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,539.90 : 262,926.12 = 109,993.38 : x
  2. Step 2: Convert to fraction form
    190,539.90/262,926.12 = 109,993.38/x
  3. Step 3: Cross multiply
    190,539.90x = 262,926.12 × 109,993.38
  4. Step 4: Simplify right side
    190,539.90x = 28,920,132,629.09
  5. Step 5: Solve for x
    x = 28,920,132,629.09/190,539.90
  6. Step 6: Final answer
    x = 151,779.93

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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.