Home / 351,789.59-527,782.86-115,298.34

Finding the Fourth Proportional to 351,789.59, 527,782.86 and 115,298.34

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Solution

The fourth proportional to 351,789.59, 527,782.86 and 115,298.34 is: 172,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,789.59 : 527,782.86 = 115,298.34 : x
  2. Step 2: Convert to fraction form
    351,789.59/527,782.86 = 115,298.34/x
  3. Step 3: Cross multiply
    351,789.59x = 527,782.86 × 115,298.34
  4. Step 4: Simplify right side
    351,789.59x = 60,852,487,638.45
  5. Step 5: Solve for x
    x = 60,852,487,638.45/351,789.59
  6. Step 6: Final answer
    x = 172,979.79

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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.