Home / 354,938.80-532,145.60-167,731.60

Finding the Fourth Proportional to 354,938.80, 532,145.60 and 167,731.60

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Solution

The fourth proportional to 354,938.80, 532,145.60 and 167,731.60 is: 251,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,938.80 : 532,145.60 = 167,731.60 : x
  2. Step 2: Convert to fraction form
    354,938.80/532,145.60 = 167,731.60/x
  3. Step 3: Cross multiply
    354,938.80x = 532,145.60 × 167,731.60
  4. Step 4: Simplify right side
    354,938.80x = 89,257,632,920.96
  5. Step 5: Solve for x
    x = 89,257,632,920.96/354,938.80
  6. Step 6: Final answer
    x = 251,473.30

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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.