Home / 353,940.54-530,616.93-140,576.82

Finding the Fourth Proportional to 353,940.54, 530,616.93 and 140,576.82

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Solution

The fourth proportional to 353,940.54, 530,616.93 and 140,576.82 is: 210,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,940.54 : 530,616.93 = 140,576.82 : x
  2. Step 2: Convert to fraction form
    353,940.54/530,616.93 = 140,576.82/x
  3. Step 3: Cross multiply
    353,940.54x = 530,616.93 × 140,576.82
  4. Step 4: Simplify right side
    353,940.54x = 74,592,440,657.56
  5. Step 5: Solve for x
    x = 74,592,440,657.56/353,940.54
  6. Step 6: Final answer
    x = 210,748.51

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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.