Home / 210,195.20-290,075.54-114,708.06

Finding the Fourth Proportional to 210,195.20, 290,075.54 and 114,708.06

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Solution

The fourth proportional to 210,195.20, 290,075.54 and 114,708.06 is: 158,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,195.20 : 290,075.54 = 114,708.06 : x
  2. Step 2: Convert to fraction form
    210,195.20/290,075.54 = 114,708.06/x
  3. Step 3: Cross multiply
    210,195.20x = 290,075.54 × 114,708.06
  4. Step 4: Simplify right side
    210,195.20x = 33,274,002,446.85
  5. Step 5: Solve for x
    x = 33,274,002,446.85/210,195.20
  6. Step 6: Final answer
    x = 158,300.49

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1.5x scale

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.