Home / 200,424.63-276,586.10-109,782.11

Finding the Fourth Proportional to 200,424.63, 276,586.10 and 109,782.11

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Solution

The fourth proportional to 200,424.63, 276,586.10 and 109,782.11 is: 151,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,424.63 : 276,586.10 = 109,782.11 : x
  2. Step 2: Convert to fraction form
    200,424.63/276,586.10 = 109,782.11/x
  3. Step 3: Cross multiply
    200,424.63x = 276,586.10 × 109,782.11
  4. Step 4: Simplify right side
    200,424.63x = 30,364,205,654.67
  5. Step 5: Solve for x
    x = 30,364,205,654.67/200,424.63
  6. Step 6: Final answer
    x = 151,499.37

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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.