Home / 292,578.73-438,743.49-114,961.15

Finding the Fourth Proportional to 292,578.73, 438,743.49 and 114,961.15

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Solution

The fourth proportional to 292,578.73, 438,743.49 and 114,961.15 is: 172,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,578.73 : 438,743.49 = 114,961.15 : x
  2. Step 2: Convert to fraction form
    292,578.73/438,743.49 = 114,961.15/x
  3. Step 3: Cross multiply
    292,578.73x = 438,743.49 × 114,961.15
  4. Step 4: Simplify right side
    292,578.73x = 50,438,455,048.77
  5. Step 5: Solve for x
    x = 50,438,455,048.77/292,578.73
  6. Step 6: Final answer
    x = 172,392.76

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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.