Home / 292,579.49-438,929.37-132,578.57

Finding the Fourth Proportional to 292,579.49, 438,929.37 and 132,578.57

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Solution

The fourth proportional to 292,579.49, 438,929.37 and 132,578.57 is: 198,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,579.49 : 438,929.37 = 132,578.57 : x
  2. Step 2: Convert to fraction form
    292,579.49/438,929.37 = 132,578.57/x
  3. Step 3: Cross multiply
    292,579.49x = 438,929.37 × 132,578.57
  4. Step 4: Simplify right side
    292,579.49x = 58,192,626,010.95
  5. Step 5: Solve for x
    x = 58,192,626,010.95/292,579.49
  6. Step 6: Final answer
    x = 198,895.10

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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.