Home / 335,117.20-502,821.60-168,905.20

Finding the Fourth Proportional to 335,117.20, 502,821.60 and 168,905.20

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Solution

The fourth proportional to 335,117.20, 502,821.60 and 168,905.20 is: 253,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,117.20 : 502,821.60 = 168,905.20 : x
  2. Step 2: Convert to fraction form
    335,117.20/502,821.60 = 168,905.20/x
  3. Step 3: Cross multiply
    335,117.20x = 502,821.60 × 168,905.20
  4. Step 4: Simplify right side
    335,117.20x = 84,929,182,912.32
  5. Step 5: Solve for x
    x = 84,929,182,912.32/335,117.20
  6. Step 6: Final answer
    x = 253,431.29

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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.