Home / 190,441.26-262,818-105,558.39

Finding the Fourth Proportional to 190,441.26, 262,818 and 105,558.39

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Solution

The fourth proportional to 190,441.26, 262,818 and 105,558.39 is: 145,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,441.26 : 262,818 = 105,558.39 : x
  2. Step 2: Convert to fraction form
    190,441.26/262,818 = 105,558.39/x
  3. Step 3: Cross multiply
    190,441.26x = 262,818 × 105,558.39
  4. Step 4: Simplify right side
    190,441.26x = 27,742,644,943.02
  5. Step 5: Solve for x
    x = 27,742,644,943.02/190,441.26
  6. Step 6: Final answer
    x = 145,675.60

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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.