Home / 136,186.28-204,280.86-41,431.89

Finding the Fourth Proportional to 136,186.28, 204,280.86 and 41,431.89

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Solution

The fourth proportional to 136,186.28, 204,280.86 and 41,431.89 is: 62,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,186.28 : 204,280.86 = 41,431.89 : x
  2. Step 2: Convert to fraction form
    136,186.28/204,280.86 = 41,431.89/x
  3. Step 3: Cross multiply
    136,186.28x = 204,280.86 × 41,431.89
  4. Step 4: Simplify right side
    136,186.28x = 8,463,742,120.63
  5. Step 5: Solve for x
    x = 8,463,742,120.63/136,186.28
  6. Step 6: Final answer
    x = 62,148.28

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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.