Home / 200,442.06-276,609.78-109,803.60

Finding the Fourth Proportional to 200,442.06, 276,609.78 and 109,803.60

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Solution

The fourth proportional to 200,442.06, 276,609.78 and 109,803.60 is: 151,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,442.06 : 276,609.78 = 109,803.60 : x
  2. Step 2: Convert to fraction form
    200,442.06/276,609.78 = 109,803.60/x
  3. Step 3: Cross multiply
    200,442.06x = 276,609.78 × 109,803.60
  4. Step 4: Simplify right side
    200,442.06x = 30,372,749,639.21
  5. Step 5: Solve for x
    x = 30,372,749,639.21/200,442.06
  6. Step 6: Final answer
    x = 151,528.82

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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.