Home / 135,725.60-203,667.78-56,833.22

Finding the Fourth Proportional to 135,725.60, 203,667.78 and 56,833.22

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Solution

The fourth proportional to 135,725.60, 203,667.78 and 56,833.22 is: 85,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,725.60 : 203,667.78 = 56,833.22 : x
  2. Step 2: Convert to fraction form
    135,725.60/203,667.78 = 56,833.22/x
  3. Step 3: Cross multiply
    135,725.60x = 203,667.78 × 56,833.22
  4. Step 4: Simplify right side
    135,725.60x = 11,575,095,747.65
  5. Step 5: Solve for x
    x = 11,575,095,747.65/135,725.60
  6. Step 6: Final answer
    x = 85,283.07

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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.