Home / 525,016.62-787,515.82-170,031.29

Finding the Fourth Proportional to 525,016.62, 787,515.82 and 170,031.29

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Solution

The fourth proportional to 525,016.62, 787,515.82 and 170,031.29 is: 255,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,016.62 : 787,515.82 = 170,031.29 : x
  2. Step 2: Convert to fraction form
    525,016.62/787,515.82 = 170,031.29/x
  3. Step 3: Cross multiply
    525,016.62x = 787,515.82 × 170,031.29
  4. Step 4: Simplify right side
    525,016.62x = 133,902,326,407.35
  5. Step 5: Solve for x
    x = 133,902,326,407.35/525,016.62
  6. Step 6: Final answer
    x = 255,043.98

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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.