Home / 190,218.37-262,500.93-109,645.36

Finding the Fourth Proportional to 190,218.37, 262,500.93 and 109,645.36

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Solution

The fourth proportional to 190,218.37, 262,500.93 and 109,645.36 is: 151,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,218.37 : 262,500.93 = 109,645.36 : x
  2. Step 2: Convert to fraction form
    190,218.37/262,500.93 = 109,645.36/x
  3. Step 3: Cross multiply
    190,218.37x = 262,500.93 × 109,645.36
  4. Step 4: Simplify right side
    190,218.37x = 28,782,008,970.18
  5. Step 5: Solve for x
    x = 28,782,008,970.18/190,218.37
  6. Step 6: Final answer
    x = 151,310.35

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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.