Home / 638,747.32-957,957.48-189,363.16

Finding the Fourth Proportional to 638,747.32, 957,957.48 and 189,363.16

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Solution

The fourth proportional to 638,747.32, 957,957.48 and 189,363.16 is: 283,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,747.32 : 957,957.48 = 189,363.16 : x
  2. Step 2: Convert to fraction form
    638,747.32/957,957.48 = 189,363.16/x
  3. Step 3: Cross multiply
    638,747.32x = 957,957.48 × 189,363.16
  4. Step 4: Simplify right side
    638,747.32x = 181,401,855,558.44
  5. Step 5: Solve for x
    x = 181,401,855,558.44/638,747.32
  6. Step 6: Final answer
    x = 283,996.27

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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.