Home / 672,809.30-1,009,218.50-167,370.83

Finding the Fourth Proportional to 672,809.30, 1,009,218.50 and 167,370.83

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Solution

The fourth proportional to 672,809.30, 1,009,218.50 and 167,370.83 is: 251,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,809.30 : 1,009,218.50 = 167,370.83 : x
  2. Step 2: Convert to fraction form
    672,809.30/1,009,218.50 = 167,370.83/x
  3. Step 3: Cross multiply
    672,809.30x = 1,009,218.50 × 167,370.83
  4. Step 4: Simplify right side
    672,809.30x = 168,913,737,996.36
  5. Step 5: Solve for x
    x = 168,913,737,996.36/672,809.30
  6. Step 6: Final answer
    x = 251,057.38

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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.