Home / 190,016.85-262,255.40-109,429.54

Finding the Fourth Proportional to 190,016.85, 262,255.40 and 109,429.54

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Solution

The fourth proportional to 190,016.85, 262,255.40 and 109,429.54 is: 151,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,016.85 : 262,255.40 = 109,429.54 : x
  2. Step 2: Convert to fraction form
    190,016.85/262,255.40 = 109,429.54/x
  3. Step 3: Cross multiply
    190,016.85x = 262,255.40 × 109,429.54
  4. Step 4: Simplify right side
    190,016.85x = 28,698,487,784.52
  5. Step 5: Solve for x
    x = 28,698,487,784.52/190,016.85
  6. Step 6: Final answer
    x = 151,031.28

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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.