Home / 127,351.80-190,906.20-47,368.35

Finding the Fourth Proportional to 127,351.80, 190,906.20 and 47,368.35

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Solution

The fourth proportional to 127,351.80, 190,906.20 and 47,368.35 is: 71,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,351.80 : 190,906.20 = 47,368.35 : x
  2. Step 2: Convert to fraction form
    127,351.80/190,906.20 = 47,368.35/x
  3. Step 3: Cross multiply
    127,351.80x = 190,906.20 × 47,368.35
  4. Step 4: Simplify right side
    127,351.80x = 9,042,911,698.77
  5. Step 5: Solve for x
    x = 9,042,911,698.77/127,351.80
  6. Step 6: Final answer
    x = 71,007.33

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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.