Home / 215,399.44-297,216.96-124,763.84

Finding the Fourth Proportional to 215,399.44, 297,216.96 and 124,763.84

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Solution

The fourth proportional to 215,399.44, 297,216.96 and 124,763.84 is: 172,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,399.44 : 297,216.96 = 124,763.84 : x
  2. Step 2: Convert to fraction form
    215,399.44/297,216.96 = 124,763.84/x
  3. Step 3: Cross multiply
    215,399.44x = 297,216.96 × 124,763.84
  4. Step 4: Simplify right side
    215,399.44x = 37,081,929,242.73
  5. Step 5: Solve for x
    x = 37,081,929,242.73/215,399.44
  6. Step 6: Final answer
    x = 172,154.25

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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.