Home / 215,761.03-297,877.79-191,821.44

Finding the Fourth Proportional to 215,761.03, 297,877.79 and 191,821.44

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Solution

The fourth proportional to 215,761.03, 297,877.79 and 191,821.44 is: 264,827.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,761.03 : 297,877.79 = 191,821.44 : x
  2. Step 2: Convert to fraction form
    215,761.03/297,877.79 = 191,821.44/x
  3. Step 3: Cross multiply
    215,761.03x = 297,877.79 × 191,821.44
  4. Step 4: Simplify right side
    215,761.03x = 57,139,346,542.85
  5. Step 5: Solve for x
    x = 57,139,346,542.85/215,761.03
  6. Step 6: Final answer
    x = 264,827.00

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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.