Home / 135,973.60-203,890.37-61,029.50

Finding the Fourth Proportional to 135,973.60, 203,890.37 and 61,029.50

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Solution

The fourth proportional to 135,973.60, 203,890.37 and 61,029.50 is: 91,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,973.60 : 203,890.37 = 61,029.50 : x
  2. Step 2: Convert to fraction form
    135,973.60/203,890.37 = 61,029.50/x
  3. Step 3: Cross multiply
    135,973.60x = 203,890.37 × 61,029.50
  4. Step 4: Simplify right side
    135,973.60x = 12,443,326,011.32
  5. Step 5: Solve for x
    x = 12,443,326,011.32/135,973.60
  6. Step 6: Final answer
    x = 91,512.81

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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.