Home / 200,482.72-276,666-109,844.34

Finding the Fourth Proportional to 200,482.72, 276,666 and 109,844.34

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Solution

The fourth proportional to 200,482.72, 276,666 and 109,844.34 is: 151,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,482.72 : 276,666 = 109,844.34 : x
  2. Step 2: Convert to fraction form
    200,482.72/276,666 = 109,844.34/x
  3. Step 3: Cross multiply
    200,482.72x = 276,666 × 109,844.34
  4. Step 4: Simplify right side
    200,482.72x = 30,390,194,170.44
  5. Step 5: Solve for x
    x = 30,390,194,170.44/200,482.72
  6. Step 6: Final answer
    x = 151,585.11

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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.