Home / 354,541.75-531,817.25-117,884.43

Finding the Fourth Proportional to 354,541.75, 531,817.25 and 117,884.43

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Solution

The fourth proportional to 354,541.75, 531,817.25 and 117,884.43 is: 176,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,541.75 : 531,817.25 = 117,884.43 : x
  2. Step 2: Convert to fraction form
    354,541.75/531,817.25 = 117,884.43/x
  3. Step 3: Cross multiply
    354,541.75x = 531,817.25 × 117,884.43
  4. Step 4: Simplify right side
    354,541.75x = 62,692,971,293.38
  5. Step 5: Solve for x
    x = 62,692,971,293.38/354,541.75
  6. Step 6: Final answer
    x = 176,828.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.