Home / 190,558.35-262,986.68-105,702.75

Finding the Fourth Proportional to 190,558.35, 262,986.68 and 105,702.75

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Solution

The fourth proportional to 190,558.35, 262,986.68 and 105,702.75 is: 145,878.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,558.35 : 262,986.68 = 105,702.75 : x
  2. Step 2: Convert to fraction form
    190,558.35/262,986.68 = 105,702.75/x
  3. Step 3: Cross multiply
    190,558.35x = 262,986.68 × 105,702.75
  4. Step 4: Simplify right side
    190,558.35x = 27,798,414,760.86
  5. Step 5: Solve for x
    x = 27,798,414,760.86/190,558.35
  6. Step 6: Final answer
    x = 145,878.75

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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.