Home / 190,318.37-262,648.73-105,435.77

Finding the Fourth Proportional to 190,318.37, 262,648.73 and 105,435.77

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Solution

The fourth proportional to 190,318.37, 262,648.73 and 105,435.77 is: 145,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,318.37 : 262,648.73 = 105,435.77 : x
  2. Step 2: Convert to fraction form
    190,318.37/262,648.73 = 105,435.77/x
  3. Step 3: Cross multiply
    190,318.37x = 262,648.73 × 105,435.77
  4. Step 4: Simplify right side
    190,318.37x = 27,692,570,559.89
  5. Step 5: Solve for x
    x = 27,692,570,559.89/190,318.37
  6. Step 6: Final answer
    x = 145,506.56

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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.