Home / 190,083.71-262,286.30-109,495.50

Finding the Fourth Proportional to 190,083.71, 262,286.30 and 109,495.50

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Solution

The fourth proportional to 190,083.71, 262,286.30 and 109,495.50 is: 151,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,083.71 : 262,286.30 = 109,495.50 : x
  2. Step 2: Convert to fraction form
    190,083.71/262,286.30 = 109,495.50/x
  3. Step 3: Cross multiply
    190,083.71x = 262,286.30 × 109,495.50
  4. Step 4: Simplify right side
    190,083.71x = 28,719,168,851.82
  5. Step 5: Solve for x
    x = 28,719,168,851.82/190,083.71
  6. Step 6: Final answer
    x = 151,086.95

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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.