Home / 200,111.95-276,154.40-109,467.89

Finding the Fourth Proportional to 200,111.95, 276,154.40 and 109,467.89

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Solution

The fourth proportional to 200,111.95, 276,154.40 and 109,467.89 is: 151,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,111.95 : 276,154.40 = 109,467.89 : x
  2. Step 2: Convert to fraction form
    200,111.95/276,154.40 = 109,467.89/x
  3. Step 3: Cross multiply
    200,111.95x = 276,154.40 × 109,467.89
  4. Step 4: Simplify right side
    200,111.95x = 30,230,037,554.10
  5. Step 5: Solve for x
    x = 30,230,037,554.10/200,111.95
  6. Step 6: Final answer
    x = 151,065.63

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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.