Home / 135,393.36-203,138.64-60,507.24

Finding the Fourth Proportional to 135,393.36, 203,138.64 and 60,507.24

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Solution

The fourth proportional to 135,393.36, 203,138.64 and 60,507.24 is: 90,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,393.36 : 203,138.64 = 60,507.24 : x
  2. Step 2: Convert to fraction form
    135,393.36/203,138.64 = 60,507.24/x
  3. Step 3: Cross multiply
    135,393.36x = 203,138.64 × 60,507.24
  4. Step 4: Simplify right side
    135,393.36x = 12,291,358,443.75
  5. Step 5: Solve for x
    x = 12,291,358,443.75/135,393.36
  6. Step 6: Final answer
    x = 90,782.58

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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.