Home / 210,623.20-315,934.80-184,379.20

Finding the Fourth Proportional to 210,623.20, 315,934.80 and 184,379.20

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Solution

The fourth proportional to 210,623.20, 315,934.80 and 184,379.20 is: 276,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,623.20 : 315,934.80 = 184,379.20 : x
  2. Step 2: Convert to fraction form
    210,623.20/315,934.80 = 184,379.20/x
  3. Step 3: Cross multiply
    210,623.20x = 315,934.80 × 184,379.20
  4. Step 4: Simplify right side
    210,623.20x = 58,251,805,676.16
  5. Step 5: Solve for x
    x = 58,251,805,676.16/210,623.20
  6. Step 6: Final answer
    x = 276,568.80

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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.