Home / 126,911.44-190,368.56-52,012.36

Finding the Fourth Proportional to 126,911.44, 190,368.56 and 52,012.36

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Solution

The fourth proportional to 126,911.44, 190,368.56 and 52,012.36 is: 78,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911.44 : 190,368.56 = 52,012.36 : x
  2. Step 2: Convert to fraction form
    126,911.44/190,368.56 = 52,012.36/x
  3. Step 3: Cross multiply
    126,911.44x = 190,368.56 × 52,012.36
  4. Step 4: Simplify right side
    126,911.44x = 9,901,518,075.40
  5. Step 5: Solve for x
    x = 9,901,518,075.40/126,911.44
  6. Step 6: Final answer
    x = 78,019.11

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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.