Home / 210,268.04-290,126.58-120,826.76

Finding the Fourth Proportional to 210,268.04, 290,126.58 and 120,826.76

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Solution

The fourth proportional to 210,268.04, 290,126.58 and 120,826.76 is: 166,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,268.04 : 290,126.58 = 120,826.76 : x
  2. Step 2: Convert to fraction form
    210,268.04/290,126.58 = 120,826.76/x
  3. Step 3: Cross multiply
    210,268.04x = 290,126.58 × 120,826.76
  4. Step 4: Simplify right side
    210,268.04x = 35,055,054,651.28
  5. Step 5: Solve for x
    x = 35,055,054,651.28/210,268.04
  6. Step 6: Final answer
    x = 166,716.04

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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.