Home / 215,511.07-297,115.38-150,893.38

Finding the Fourth Proportional to 215,511.07, 297,115.38 and 150,893.38

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Solution

The fourth proportional to 215,511.07, 297,115.38 and 150,893.38 is: 208,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,511.07 : 297,115.38 = 150,893.38 : x
  2. Step 2: Convert to fraction form
    215,511.07/297,115.38 = 150,893.38/x
  3. Step 3: Cross multiply
    215,511.07x = 297,115.38 × 150,893.38
  4. Step 4: Simplify right side
    215,511.07x = 44,832,743,938.18
  5. Step 5: Solve for x
    x = 44,832,743,938.18/215,511.07
  6. Step 6: Final answer
    x = 208,029.89

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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.