Home / 210,199.20-290,075.70-114,708

Finding the Fourth Proportional to 210,199.20, 290,075.70 and 114,708

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Solution

The fourth proportional to 210,199.20, 290,075.70 and 114,708 is: 158,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,199.20 : 290,075.70 = 114,708 : x
  2. Step 2: Convert to fraction form
    210,199.20/290,075.70 = 114,708/x
  3. Step 3: Cross multiply
    210,199.20x = 290,075.70 × 114,708
  4. Step 4: Simplify right side
    210,199.20x = 33,274,003,395.60
  5. Step 5: Solve for x
    x = 33,274,003,395.60/210,199.20
  6. Step 6: Final answer
    x = 158,297.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.