Home / 215,550.73-297,460.09-124,959.21

Finding the Fourth Proportional to 215,550.73, 297,460.09 and 124,959.21

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Solution

The fourth proportional to 215,550.73, 297,460.09 and 124,959.21 is: 172,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,550.73 : 297,460.09 = 124,959.21 : x
  2. Step 2: Convert to fraction form
    215,550.73/297,460.09 = 124,959.21/x
  3. Step 3: Cross multiply
    215,550.73x = 297,460.09 × 124,959.21
  4. Step 4: Simplify right side
    215,550.73x = 37,170,377,852.93
  5. Step 5: Solve for x
    x = 37,170,377,852.93/215,550.73
  6. Step 6: Final answer
    x = 172,443.76

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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.