Home / 190,203.46-262,477.56-105,318.70

Finding the Fourth Proportional to 190,203.46, 262,477.56 and 105,318.70

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Solution

The fourth proportional to 190,203.46, 262,477.56 and 105,318.70 is: 145,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203.46 : 262,477.56 = 105,318.70 : x
  2. Step 2: Convert to fraction form
    190,203.46/262,477.56 = 105,318.70/x
  3. Step 3: Cross multiply
    190,203.46x = 262,477.56 × 105,318.70
  4. Step 4: Simplify right side
    190,203.46x = 27,643,795,137.12
  5. Step 5: Solve for x
    x = 27,643,795,137.12/190,203.46
  6. Step 6: Final answer
    x = 145,338.03

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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.