Home / 200,424.88-276,586.45-109,782.36

Finding the Fourth Proportional to 200,424.88, 276,586.45 and 109,782.36

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Solution

The fourth proportional to 200,424.88, 276,586.45 and 109,782.36 is: 151,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,424.88 : 276,586.45 = 109,782.36 : x
  2. Step 2: Convert to fraction form
    200,424.88/276,586.45 = 109,782.36/x
  3. Step 3: Cross multiply
    200,424.88x = 276,586.45 × 109,782.36
  4. Step 4: Simplify right side
    200,424.88x = 30,364,312,950.57
  5. Step 5: Solve for x
    x = 30,364,312,950.57/200,424.88
  6. Step 6: Final answer
    x = 151,499.72

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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.