Home / 335,828.98-503,742.32-136,148.90

Finding the Fourth Proportional to 335,828.98, 503,742.32 and 136,148.90

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Solution

The fourth proportional to 335,828.98, 503,742.32 and 136,148.90 is: 204,222.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,828.98 : 503,742.32 = 136,148.90 : x
  2. Step 2: Convert to fraction form
    335,828.98/503,742.32 = 136,148.90/x
  3. Step 3: Cross multiply
    335,828.98x = 503,742.32 × 136,148.90
  4. Step 4: Simplify right side
    335,828.98x = 68,583,960,232.74
  5. Step 5: Solve for x
    x = 68,583,960,232.74/335,828.98
  6. Step 6: Final answer
    x = 204,222.88

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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.