Home / 200,161.02-276,219.84-109,515.93

Finding the Fourth Proportional to 200,161.02, 276,219.84 and 109,515.93

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Solution

The fourth proportional to 200,161.02, 276,219.84 and 109,515.93 is: 151,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,161.02 : 276,219.84 = 109,515.93 : x
  2. Step 2: Convert to fraction form
    200,161.02/276,219.84 = 109,515.93/x
  3. Step 3: Cross multiply
    200,161.02x = 276,219.84 × 109,515.93
  4. Step 4: Simplify right side
    200,161.02x = 30,250,472,662.05
  5. Step 5: Solve for x
    x = 30,250,472,662.05/200,161.02
  6. Step 6: Final answer
    x = 151,130.69

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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.