Home / 511,960.23-767,852.87-137,895.75

Finding the Fourth Proportional to 511,960.23, 767,852.87 and 137,895.75

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Solution

The fourth proportional to 511,960.23, 767,852.87 and 137,895.75 is: 206,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,960.23 : 767,852.87 = 137,895.75 : x
  2. Step 2: Convert to fraction form
    511,960.23/767,852.87 = 137,895.75/x
  3. Step 3: Cross multiply
    511,960.23x = 767,852.87 × 137,895.75
  4. Step 4: Simplify right side
    511,960.23x = 105,883,646,708.82
  5. Step 5: Solve for x
    x = 105,883,646,708.82/511,960.23
  6. Step 6: Final answer
    x = 206,820.06

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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.