Home / 209,006.48-313,998.24-197,677.82

Finding the Fourth Proportional to 209,006.48, 313,998.24 and 197,677.82

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Solution

The fourth proportional to 209,006.48, 313,998.24 and 197,677.82 is: 296,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,006.48 : 313,998.24 = 197,677.82 : x
  2. Step 2: Convert to fraction form
    209,006.48/313,998.24 = 197,677.82/x
  3. Step 3: Cross multiply
    209,006.48x = 313,998.24 × 197,677.82
  4. Step 4: Simplify right side
    209,006.48x = 62,070,487,567.04
  5. Step 5: Solve for x
    x = 62,070,487,567.04/209,006.48
  6. Step 6: Final answer
    x = 296,978.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.