Home / 200,330.95-276,448.16-109,685.26

Finding the Fourth Proportional to 200,330.95, 276,448.16 and 109,685.26

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Solution

The fourth proportional to 200,330.95, 276,448.16 and 109,685.26 is: 151,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,330.95 : 276,448.16 = 109,685.26 : x
  2. Step 2: Convert to fraction form
    200,330.95/276,448.16 = 109,685.26/x
  3. Step 3: Cross multiply
    200,330.95x = 276,448.16 × 109,685.26
  4. Step 4: Simplify right side
    200,330.95x = 30,322,287,757.70
  5. Step 5: Solve for x
    x = 30,322,287,757.70/200,330.95
  6. Step 6: Final answer
    x = 151,360.98

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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.