Home / 328,945.16-453,802.78-193,020.68

Finding the Fourth Proportional to 328,945.16, 453,802.78 and 193,020.68

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Solution

The fourth proportional to 328,945.16, 453,802.78 and 193,020.68 is: 266,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,945.16 : 453,802.78 = 193,020.68 : x
  2. Step 2: Convert to fraction form
    328,945.16/453,802.78 = 193,020.68/x
  3. Step 3: Cross multiply
    328,945.16x = 453,802.78 × 193,020.68
  4. Step 4: Simplify right side
    328,945.16x = 87,593,321,181.49
  5. Step 5: Solve for x
    x = 87,593,321,181.49/328,945.16
  6. Step 6: Final answer
    x = 266,285.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.