Home / 203,024.94-280,110-118,125.60

Finding the Fourth Proportional to 203,024.94, 280,110 and 118,125.60

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Solution

The fourth proportional to 203,024.94, 280,110 and 118,125.60 is: 162,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,024.94 : 280,110 = 118,125.60 : x
  2. Step 2: Convert to fraction form
    203,024.94/280,110 = 118,125.60/x
  3. Step 3: Cross multiply
    203,024.94x = 280,110 × 118,125.60
  4. Step 4: Simplify right side
    203,024.94x = 33,088,161,816
  5. Step 5: Solve for x
    x = 33,088,161,816/203,024.94
  6. Step 6: Final answer
    x = 162,975.85

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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.