Home / 127,065.78-190,605.14-48,186.54

Finding the Fourth Proportional to 127,065.78, 190,605.14 and 48,186.54

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Solution

The fourth proportional to 127,065.78, 190,605.14 and 48,186.54 is: 72,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.78 : 190,605.14 = 48,186.54 : x
  2. Step 2: Convert to fraction form
    127,065.78/190,605.14 = 48,186.54/x
  3. Step 3: Cross multiply
    127,065.78x = 190,605.14 × 48,186.54
  4. Step 4: Simplify right side
    127,065.78x = 9,184,601,961.88
  5. Step 5: Solve for x
    x = 9,184,601,961.88/127,065.78
  6. Step 6: Final answer
    x = 72,282.26

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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.