Home / 190,204.46-262,478.94-105,319.70

Finding the Fourth Proportional to 190,204.46, 262,478.94 and 105,319.70

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Solution

The fourth proportional to 190,204.46, 262,478.94 and 105,319.70 is: 145,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,204.46 : 262,478.94 = 105,319.70 : x
  2. Step 2: Convert to fraction form
    190,204.46/262,478.94 = 105,319.70/x
  3. Step 3: Cross multiply
    190,204.46x = 262,478.94 × 105,319.70
  4. Step 4: Simplify right side
    190,204.46x = 27,644,203,217.12
  5. Step 5: Solve for x
    x = 27,644,203,217.12/190,204.46
  6. Step 6: Final answer
    x = 145,339.41

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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.