Home / 389,192.86-583,789.29-179,007.58

Finding the Fourth Proportional to 389,192.86, 583,789.29 and 179,007.58

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Solution

The fourth proportional to 389,192.86, 583,789.29 and 179,007.58 is: 268,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,192.86 : 583,789.29 = 179,007.58 : x
  2. Step 2: Convert to fraction form
    389,192.86/583,789.29 = 179,007.58/x
  3. Step 3: Cross multiply
    389,192.86x = 583,789.29 × 179,007.58
  4. Step 4: Simplify right side
    389,192.86x = 104,502,708,032.82
  5. Step 5: Solve for x
    x = 104,502,708,032.82/389,192.86
  6. Step 6: Final answer
    x = 268,511.37

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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.