Home / 203,114.28-280,300.64-117,025.76

Finding the Fourth Proportional to 203,114.28, 280,300.64 and 117,025.76

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Solution

The fourth proportional to 203,114.28, 280,300.64 and 117,025.76 is: 161,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,114.28 : 280,300.64 = 117,025.76 : x
  2. Step 2: Convert to fraction form
    203,114.28/280,300.64 = 117,025.76/x
  3. Step 3: Cross multiply
    203,114.28x = 280,300.64 × 117,025.76
  4. Step 4: Simplify right side
    203,114.28x = 32,802,395,424.49
  5. Step 5: Solve for x
    x = 32,802,395,424.49/203,114.28
  6. Step 6: Final answer
    x = 161,497.24

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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.