Home / 328,186.38-492,279.60-106,570.38

Finding the Fourth Proportional to 328,186.38, 492,279.60 and 106,570.38

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Solution

The fourth proportional to 328,186.38, 492,279.60 and 106,570.38 is: 159,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,186.38 : 492,279.60 = 106,570.38 : x
  2. Step 2: Convert to fraction form
    328,186.38/492,279.60 = 106,570.38/x
  3. Step 3: Cross multiply
    328,186.38x = 492,279.60 × 106,570.38
  4. Step 4: Simplify right side
    328,186.38x = 52,462,424,038.25
  5. Step 5: Solve for x
    x = 52,462,424,038.25/328,186.38
  6. Step 6: Final answer
    x = 159,855.58

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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.