Home / 352,997.56-487,139.82-191,853

Finding the Fourth Proportional to 352,997.56, 487,139.82 and 191,853

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Solution

The fourth proportional to 352,997.56, 487,139.82 and 191,853 is: 264,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,997.56 : 487,139.82 = 191,853 : x
  2. Step 2: Convert to fraction form
    352,997.56/487,139.82 = 191,853/x
  3. Step 3: Cross multiply
    352,997.56x = 487,139.82 × 191,853
  4. Step 4: Simplify right side
    352,997.56x = 93,459,235,886.46
  5. Step 5: Solve for x
    x = 93,459,235,886.46/352,997.56
  6. Step 6: Final answer
    x = 264,758.87

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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.