Home / 190,441.06-262,804.41-105,557.38

Finding the Fourth Proportional to 190,441.06, 262,804.41 and 105,557.38

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Solution

The fourth proportional to 190,441.06, 262,804.41 and 105,557.38 is: 145,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,441.06 : 262,804.41 = 105,557.38 : x
  2. Step 2: Convert to fraction form
    190,441.06/262,804.41 = 105,557.38/x
  3. Step 3: Cross multiply
    190,441.06x = 262,804.41 × 105,557.38
  4. Step 4: Simplify right side
    190,441.06x = 27,740,944,972.05
  5. Step 5: Solve for x
    x = 27,740,944,972.05/190,441.06
  6. Step 6: Final answer
    x = 145,666.83

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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.