Home / 354,734.07-489,543.33-193,599.42

Finding the Fourth Proportional to 354,734.07, 489,543.33 and 193,599.42

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Solution

The fourth proportional to 354,734.07, 489,543.33 and 193,599.42 is: 267,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,734.07 : 489,543.33 = 193,599.42 : x
  2. Step 2: Convert to fraction form
    354,734.07/489,543.33 = 193,599.42/x
  3. Step 3: Cross multiply
    354,734.07x = 489,543.33 × 193,599.42
  4. Step 4: Simplify right side
    354,734.07x = 94,775,304,752.87
  5. Step 5: Solve for x
    x = 94,775,304,752.87/354,734.07
  6. Step 6: Final answer
    x = 267,172.83

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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.