Home / 354,772.47-489,582.18-193,626.21

Finding the Fourth Proportional to 354,772.47, 489,582.18 and 193,626.21

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Solution

The fourth proportional to 354,772.47, 489,582.18 and 193,626.21 is: 267,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,772.47 : 489,582.18 = 193,626.21 : x
  2. Step 2: Convert to fraction form
    354,772.47/489,582.18 = 193,626.21/x
  3. Step 3: Cross multiply
    354,772.47x = 489,582.18 × 193,626.21
  4. Step 4: Simplify right side
    354,772.47x = 94,795,941,996.94
  5. Step 5: Solve for x
    x = 94,795,941,996.94/354,772.47
  6. Step 6: Final answer
    x = 267,202.08

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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.