Home / 190,116.34-262,418.94-109,597.68

Finding the Fourth Proportional to 190,116.34, 262,418.94 and 109,597.68

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Solution

The fourth proportional to 190,116.34, 262,418.94 and 109,597.68 is: 151,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,116.34 : 262,418.94 = 109,597.68 : x
  2. Step 2: Convert to fraction form
    190,116.34/262,418.94 = 109,597.68/x
  3. Step 3: Cross multiply
    190,116.34x = 262,418.94 × 109,597.68
  4. Step 4: Simplify right side
    190,116.34x = 28,760,507,012.06
  5. Step 5: Solve for x
    x = 28,760,507,012.06/190,116.34
  6. Step 6: Final answer
    x = 151,278.46

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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.