Home / 352,921.58-487,032.36-191,778.56

Finding the Fourth Proportional to 352,921.58, 487,032.36 and 191,778.56

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Solution

The fourth proportional to 352,921.58, 487,032.36 and 191,778.56 is: 264,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,921.58 : 487,032.36 = 191,778.56 : x
  2. Step 2: Convert to fraction form
    352,921.58/487,032.36 = 191,778.56/x
  3. Step 3: Cross multiply
    352,921.58x = 487,032.36 × 191,778.56
  4. Step 4: Simplify right side
    352,921.58x = 93,402,364,674.20
  5. Step 5: Solve for x
    x = 93,402,364,674.20/352,921.58
  6. Step 6: Final answer
    x = 264,654.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.