Home / 354,962.54-489,849.33-193,818.98

Finding the Fourth Proportional to 354,962.54, 489,849.33 and 193,818.98

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Solution

The fourth proportional to 354,962.54, 489,849.33 and 193,818.98 is: 267,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,962.54 : 489,849.33 = 193,818.98 : x
  2. Step 2: Convert to fraction form
    354,962.54/489,849.33 = 193,818.98/x
  3. Step 3: Cross multiply
    354,962.54x = 489,849.33 × 193,818.98
  4. Step 4: Simplify right side
    354,962.54x = 94,942,097,494.28
  5. Step 5: Solve for x
    x = 94,942,097,494.28/354,962.54
  6. Step 6: Final answer
    x = 267,470.75

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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.