Home / 547,040.12-820,625.70-167,911.19

Finding the Fourth Proportional to 547,040.12, 820,625.70 and 167,911.19

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Solution

The fourth proportional to 547,040.12, 820,625.70 and 167,911.19 is: 251,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,040.12 : 820,625.70 = 167,911.19 : x
  2. Step 2: Convert to fraction form
    547,040.12/820,625.70 = 167,911.19/x
  3. Step 3: Cross multiply
    547,040.12x = 820,625.70 × 167,911.19
  4. Step 4: Simplify right side
    547,040.12x = 137,792,237,831.58
  5. Step 5: Solve for x
    x = 137,792,237,831.58/547,040.12
  6. Step 6: Final answer
    x = 251,886.90

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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.