Home / 439,013.16-658,504.80-186,130.86

Finding the Fourth Proportional to 439,013.16, 658,504.80 and 186,130.86

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Solution

The fourth proportional to 439,013.16, 658,504.80 and 186,130.86 is: 279,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,013.16 : 658,504.80 = 186,130.86 : x
  2. Step 2: Convert to fraction form
    439,013.16/658,504.80 = 186,130.86/x
  3. Step 3: Cross multiply
    439,013.16x = 658,504.80 × 186,130.86
  4. Step 4: Simplify right side
    439,013.16x = 122,568,064,738.13
  5. Step 5: Solve for x
    x = 122,568,064,738.13/439,013.16
  6. Step 6: Final answer
    x = 279,189.96

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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.