Home / 190,103.48-262,313.44-109,515.24

Finding the Fourth Proportional to 190,103.48, 262,313.44 and 109,515.24

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Solution

The fourth proportional to 190,103.48, 262,313.44 and 109,515.24 is: 151,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,103.48 : 262,313.44 = 109,515.24 : x
  2. Step 2: Convert to fraction form
    190,103.48/262,313.44 = 109,515.24/x
  3. Step 3: Cross multiply
    190,103.48x = 262,313.44 × 109,515.24
  4. Step 4: Simplify right side
    190,103.48x = 28,727,319,336.83
  5. Step 5: Solve for x
    x = 28,727,319,336.83/190,103.48
  6. Step 6: Final answer
    x = 151,114.12

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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.