Home / 335,210.89-502,815.03-135,528.88

Finding the Fourth Proportional to 335,210.89, 502,815.03 and 135,528.88

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Solution

The fourth proportional to 335,210.89, 502,815.03 and 135,528.88 is: 203,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,210.89 : 502,815.03 = 135,528.88 : x
  2. Step 2: Convert to fraction form
    335,210.89/502,815.03 = 135,528.88/x
  3. Step 3: Cross multiply
    335,210.89x = 502,815.03 × 135,528.88
  4. Step 4: Simplify right side
    335,210.89x = 68,145,957,863.07
  5. Step 5: Solve for x
    x = 68,145,957,863.07/335,210.89
  6. Step 6: Final answer
    x = 203,292.79

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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.