Home / 200,403.09-276,560.43-109,762.86

Finding the Fourth Proportional to 200,403.09, 276,560.43 and 109,762.86

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Solution

The fourth proportional to 200,403.09, 276,560.43 and 109,762.86 is: 151,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,403.09 : 276,560.43 = 109,762.86 : x
  2. Step 2: Convert to fraction form
    200,403.09/276,560.43 = 109,762.86/x
  3. Step 3: Cross multiply
    200,403.09x = 276,560.43 × 109,762.86
  4. Step 4: Simplify right side
    200,403.09x = 30,356,063,759.63
  5. Step 5: Solve for x
    x = 30,356,063,759.63/200,403.09
  6. Step 6: Final answer
    x = 151,475.03

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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.