Home / 190,046.36-262,269.42-105,171.32

Finding the Fourth Proportional to 190,046.36, 262,269.42 and 105,171.32

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Solution

The fourth proportional to 190,046.36, 262,269.42 and 105,171.32 is: 145,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046.36 : 262,269.42 = 105,171.32 : x
  2. Step 2: Convert to fraction form
    190,046.36/262,269.42 = 105,171.32/x
  3. Step 3: Cross multiply
    190,046.36x = 262,269.42 × 105,171.32
  4. Step 4: Simplify right side
    190,046.36x = 27,583,221,097.03
  5. Step 5: Solve for x
    x = 27,583,221,097.03/190,046.36
  6. Step 6: Final answer
    x = 145,139.43

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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.