Home / 190,435.75-262,801.38-105,552.81

Finding the Fourth Proportional to 190,435.75, 262,801.38 and 105,552.81

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Solution

The fourth proportional to 190,435.75, 262,801.38 and 105,552.81 is: 145,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,435.75 : 262,801.38 = 105,552.81 : x
  2. Step 2: Convert to fraction form
    190,435.75/262,801.38 = 105,552.81/x
  3. Step 3: Cross multiply
    190,435.75x = 262,801.38 × 105,552.81
  4. Step 4: Simplify right side
    190,435.75x = 27,739,424,260.12
  5. Step 5: Solve for x
    x = 27,739,424,260.12/190,435.75
  6. Step 6: Final answer
    x = 145,662.90

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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.