Home / 511,106.95-766,632.68-156,093.27

Finding the Fourth Proportional to 511,106.95, 766,632.68 and 156,093.27

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Solution

The fourth proportional to 511,106.95, 766,632.68 and 156,093.27 is: 234,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,106.95 : 766,632.68 = 156,093.27 : x
  2. Step 2: Convert to fraction form
    511,106.95/766,632.68 = 156,093.27/x
  3. Step 3: Cross multiply
    511,106.95x = 766,632.68 × 156,093.27
  4. Step 4: Simplify right side
    511,106.95x = 119,666,201,910.06
  5. Step 5: Solve for x
    x = 119,666,201,910.06/511,106.95
  6. Step 6: Final answer
    x = 234,131.43

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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.