Home / 513,186.74-769,588.65-176,131.74

Finding the Fourth Proportional to 513,186.74, 769,588.65 and 176,131.74

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Solution

The fourth proportional to 513,186.74, 769,588.65 and 176,131.74 is: 264,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,186.74 : 769,588.65 = 176,131.74 : x
  2. Step 2: Convert to fraction form
    513,186.74/769,588.65 = 176,131.74/x
  3. Step 3: Cross multiply
    513,186.74x = 769,588.65 × 176,131.74
  4. Step 4: Simplify right side
    513,186.74x = 135,548,988,008.75
  5. Step 5: Solve for x
    x = 135,548,988,008.75/513,186.74
  6. Step 6: Final answer
    x = 264,131.90

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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.