Home / 293,403.85-404,316.70-208,282.57

Finding the Fourth Proportional to 293,403.85, 404,316.70 and 208,282.57

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Solution

The fourth proportional to 293,403.85, 404,316.70 and 208,282.57 is: 287,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,403.85 : 404,316.70 = 208,282.57 : x
  2. Step 2: Convert to fraction form
    293,403.85/404,316.70 = 208,282.57/x
  3. Step 3: Cross multiply
    293,403.85x = 404,316.70 × 208,282.57
  4. Step 4: Simplify right side
    293,403.85x = 84,212,121,369.92
  5. Step 5: Solve for x
    x = 84,212,121,369.92/293,403.85
  6. Step 6: Final answer
    x = 287,017.78

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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.