Home / 190,540.31-262,926.65-109,993.77

Finding the Fourth Proportional to 190,540.31, 262,926.65 and 109,993.77

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Solution

The fourth proportional to 190,540.31, 262,926.65 and 109,993.77 is: 151,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,540.31 : 262,926.65 = 109,993.77 : x
  2. Step 2: Convert to fraction form
    190,540.31/262,926.65 = 109,993.77/x
  3. Step 3: Cross multiply
    190,540.31x = 262,926.65 × 109,993.77
  4. Step 4: Simplify right side
    190,540.31x = 28,920,293,741.95
  5. Step 5: Solve for x
    x = 28,920,293,741.95/190,540.31
  6. Step 6: Final answer
    x = 151,780.45

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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.