Home / 203,167.95-280,374.68-117,125.29

Finding the Fourth Proportional to 203,167.95, 280,374.68 and 117,125.29

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Solution

The fourth proportional to 203,167.95, 280,374.68 and 117,125.29 is: 161,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,167.95 : 280,374.68 = 117,125.29 : x
  2. Step 2: Convert to fraction form
    203,167.95/280,374.68 = 117,125.29/x
  3. Step 3: Cross multiply
    203,167.95x = 280,374.68 × 117,125.29
  4. Step 4: Simplify right side
    203,167.95x = 32,838,966,346.94
  5. Step 5: Solve for x
    x = 32,838,966,346.94/203,167.95
  6. Step 6: Final answer
    x = 161,634.58

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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.