Home / 202,236.10-279,141.33-117,380.50

Finding the Fourth Proportional to 202,236.10, 279,141.33 and 117,380.50

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Solution

The fourth proportional to 202,236.10, 279,141.33 and 117,380.50 is: 162,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,236.10 : 279,141.33 = 117,380.50 : x
  2. Step 2: Convert to fraction form
    202,236.10/279,141.33 = 117,380.50/x
  3. Step 3: Cross multiply
    202,236.10x = 279,141.33 × 117,380.50
  4. Step 4: Simplify right side
    202,236.10x = 32,765,748,886.07
  5. Step 5: Solve for x
    x = 32,765,748,886.07/202,236.10
  6. Step 6: Final answer
    x = 162,017.31

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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.