Home / 511,182.05-766,911.06-156,186.36

Finding the Fourth Proportional to 511,182.05, 766,911.06 and 156,186.36

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Solution

The fourth proportional to 511,182.05, 766,911.06 and 156,186.36 is: 234,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,182.05 : 766,911.06 = 156,186.36 : x
  2. Step 2: Convert to fraction form
    511,182.05/766,911.06 = 156,186.36/x
  3. Step 3: Cross multiply
    511,182.05x = 766,911.06 × 156,186.36
  4. Step 4: Simplify right side
    511,182.05x = 119,781,046,905.14
  5. Step 5: Solve for x
    x = 119,781,046,905.14/511,182.05
  6. Step 6: Final answer
    x = 234,321.70

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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.