Home / 200,130.28-276,206.82-115,245.16

Finding the Fourth Proportional to 200,130.28, 276,206.82 and 115,245.16

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Solution

The fourth proportional to 200,130.28, 276,206.82 and 115,245.16 is: 159,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,130.28 : 276,206.82 = 115,245.16 : x
  2. Step 2: Convert to fraction form
    200,130.28/276,206.82 = 115,245.16/x
  3. Step 3: Cross multiply
    200,130.28x = 276,206.82 × 115,245.16
  4. Step 4: Simplify right side
    200,130.28x = 31,831,499,163.99
  5. Step 5: Solve for x
    x = 31,831,499,163.99/200,130.28
  6. Step 6: Final answer
    x = 159,053.89

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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.