Home / 127,230.62-190,911.53-52,406.06

Finding the Fourth Proportional to 127,230.62, 190,911.53 and 52,406.06

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Solution

The fourth proportional to 127,230.62, 190,911.53 and 52,406.06 is: 78,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,230.62 : 190,911.53 = 52,406.06 : x
  2. Step 2: Convert to fraction form
    127,230.62/190,911.53 = 52,406.06/x
  3. Step 3: Cross multiply
    127,230.62x = 190,911.53 × 52,406.06
  4. Step 4: Simplify right side
    127,230.62x = 10,004,920,272.33
  5. Step 5: Solve for x
    x = 10,004,920,272.33/127,230.62
  6. Step 6: Final answer
    x = 78,636.11

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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.