Home / 200,772.55-300,929.86-95,442.31

Finding the Fourth Proportional to 200,772.55, 300,929.86 and 95,442.31

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Solution

The fourth proportional to 200,772.55, 300,929.86 and 95,442.31 is: 143,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,772.55 : 300,929.86 = 95,442.31 : x
  2. Step 2: Convert to fraction form
    200,772.55/300,929.86 = 95,442.31/x
  3. Step 3: Cross multiply
    200,772.55x = 300,929.86 × 95,442.31
  4. Step 4: Simplify right side
    200,772.55x = 28,721,440,986.38
  5. Step 5: Solve for x
    x = 28,721,440,986.38/200,772.55
  6. Step 6: Final answer
    x = 143,054.62

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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.