Home / 135,865.58-203,833.60-51,627.20

Finding the Fourth Proportional to 135,865.58, 203,833.60 and 51,627.20

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Solution

The fourth proportional to 135,865.58, 203,833.60 and 51,627.20 is: 77,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,865.58 : 203,833.60 = 51,627.20 : x
  2. Step 2: Convert to fraction form
    135,865.58/203,833.60 = 51,627.20/x
  3. Step 3: Cross multiply
    135,865.58x = 203,833.60 × 51,627.20
  4. Step 4: Simplify right side
    135,865.58x = 10,523,357,014.75
  5. Step 5: Solve for x
    x = 10,523,357,014.75/135,865.58
  6. Step 6: Final answer
    x = 77,454.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.