Home / 354,478.14-489,164.40-193,334.04

Finding the Fourth Proportional to 354,478.14, 489,164.40 and 193,334.04

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Solution

The fourth proportional to 354,478.14, 489,164.40 and 193,334.04 is: 266,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,478.14 : 489,164.40 = 193,334.04 : x
  2. Step 2: Convert to fraction form
    354,478.14/489,164.40 = 193,334.04/x
  3. Step 3: Cross multiply
    354,478.14x = 489,164.40 × 193,334.04
  4. Step 4: Simplify right side
    354,478.14x = 94,572,129,676.18
  5. Step 5: Solve for x
    x = 94,572,129,676.18/354,478.14
  6. Step 6: Final answer
    x = 266,792.56

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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.