Home / 200,088.23-276,111.45-109,426.55

Finding the Fourth Proportional to 200,088.23, 276,111.45 and 109,426.55

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Solution

The fourth proportional to 200,088.23, 276,111.45 and 109,426.55 is: 151,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,088.23 : 276,111.45 = 109,426.55 : x
  2. Step 2: Convert to fraction form
    200,088.23/276,111.45 = 109,426.55/x
  3. Step 3: Cross multiply
    200,088.23x = 276,111.45 × 109,426.55
  4. Step 4: Simplify right side
    200,088.23x = 30,213,922,008.44
  5. Step 5: Solve for x
    x = 30,213,922,008.44/200,088.23
  6. Step 6: Final answer
    x = 151,003.00

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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.