Home / 354,677.32-489,445.09-193,532.41

Finding the Fourth Proportional to 354,677.32, 489,445.09 and 193,532.41

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Solution

The fourth proportional to 354,677.32, 489,445.09 and 193,532.41 is: 267,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,677.32 : 489,445.09 = 193,532.41 : x
  2. Step 2: Convert to fraction form
    354,677.32/489,445.09 = 193,532.41/x
  3. Step 3: Cross multiply
    354,677.32x = 489,445.09 × 193,532.41
  4. Step 4: Simplify right side
    354,677.32x = 94,723,487,830.37
  5. Step 5: Solve for x
    x = 94,723,487,830.37/354,677.32
  6. Step 6: Final answer
    x = 267,069.48

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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.