Home / 135,657.16-203,546.22-52,557.64

Finding the Fourth Proportional to 135,657.16, 203,546.22 and 52,557.64

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Solution

The fourth proportional to 135,657.16, 203,546.22 and 52,557.64 is: 78,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,657.16 : 203,546.22 = 52,557.64 : x
  2. Step 2: Convert to fraction form
    135,657.16/203,546.22 = 52,557.64/x
  3. Step 3: Cross multiply
    135,657.16x = 203,546.22 × 52,557.64
  4. Step 4: Simplify right side
    135,657.16x = 10,697,908,954.12
  5. Step 5: Solve for x
    x = 10,697,908,954.12/135,657.16
  6. Step 6: Final answer
    x = 78,859.89

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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.