Home / 354,957.46-489,851.38-193,822.72

Finding the Fourth Proportional to 354,957.46, 489,851.38 and 193,822.72

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Solution

The fourth proportional to 354,957.46, 489,851.38 and 193,822.72 is: 267,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,957.46 : 489,851.38 = 193,822.72 : x
  2. Step 2: Convert to fraction form
    354,957.46/489,851.38 = 193,822.72/x
  3. Step 3: Cross multiply
    354,957.46x = 489,851.38 × 193,822.72
  4. Step 4: Simplify right side
    354,957.46x = 94,944,326,867.35
  5. Step 5: Solve for x
    x = 94,944,326,867.35/354,957.46
  6. Step 6: Final answer
    x = 267,480.86

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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.