Home / 203,426.94-280,629.45-176,531.70

Finding the Fourth Proportional to 203,426.94, 280,629.45 and 176,531.70

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Solution

The fourth proportional to 203,426.94, 280,629.45 and 176,531.70 is: 243,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,426.94 : 280,629.45 = 176,531.70 : x
  2. Step 2: Convert to fraction form
    203,426.94/280,629.45 = 176,531.70/x
  3. Step 3: Cross multiply
    203,426.94x = 280,629.45 × 176,531.70
  4. Step 4: Simplify right side
    203,426.94x = 49,539,993,878.57
  5. Step 5: Solve for x
    x = 49,539,993,878.57/203,426.94
  6. Step 6: Final answer
    x = 243,527.20

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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.