Home / 200,376.05-276,544.53-115,493.72

Finding the Fourth Proportional to 200,376.05, 276,544.53 and 115,493.72

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Solution

The fourth proportional to 200,376.05, 276,544.53 and 115,493.72 is: 159,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,376.05 : 276,544.53 = 115,493.72 : x
  2. Step 2: Convert to fraction form
    200,376.05/276,544.53 = 115,493.72/x
  3. Step 3: Cross multiply
    200,376.05x = 276,544.53 × 115,493.72
  4. Step 4: Simplify right side
    200,376.05x = 31,939,155,132.63
  5. Step 5: Solve for x
    x = 31,939,155,132.63/200,376.05
  6. Step 6: Final answer
    x = 159,396.08

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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.