Home / 525,186.64-787,614.72-170,118.28

Finding the Fourth Proportional to 525,186.64, 787,614.72 and 170,118.28

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Solution

The fourth proportional to 525,186.64, 787,614.72 and 170,118.28 is: 255,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,186.64 : 787,614.72 = 170,118.28 : x
  2. Step 2: Convert to fraction form
    525,186.64/787,614.72 = 170,118.28/x
  3. Step 3: Cross multiply
    525,186.64x = 787,614.72 × 170,118.28
  4. Step 4: Simplify right side
    525,186.64x = 133,987,661,469.08
  5. Step 5: Solve for x
    x = 133,987,661,469.08/525,186.64
  6. Step 6: Final answer
    x = 255,123.90

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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.