Home / 190,283.66-262,597.38-105,408.62

Finding the Fourth Proportional to 190,283.66, 262,597.38 and 105,408.62

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Solution

The fourth proportional to 190,283.66, 262,597.38 and 105,408.62 is: 145,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,283.66 : 262,597.38 = 105,408.62 : x
  2. Step 2: Convert to fraction form
    190,283.66/262,597.38 = 105,408.62/x
  3. Step 3: Cross multiply
    190,283.66x = 262,597.38 × 105,408.62
  4. Step 4: Simplify right side
    190,283.66x = 27,680,027,441.42
  5. Step 5: Solve for x
    x = 27,680,027,441.42/190,283.66
  6. Step 6: Final answer
    x = 145,467.18

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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.