Home / 352,971.78-487,100.85-191,826.87

Finding the Fourth Proportional to 352,971.78, 487,100.85 and 191,826.87

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Solution

The fourth proportional to 352,971.78, 487,100.85 and 191,826.87 is: 264,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,971.78 : 487,100.85 = 191,826.87 : x
  2. Step 2: Convert to fraction form
    352,971.78/487,100.85 = 191,826.87/x
  3. Step 3: Cross multiply
    352,971.78x = 487,100.85 × 191,826.87
  4. Step 4: Simplify right side
    352,971.78x = 93,439,029,423.37
  5. Step 5: Solve for x
    x = 93,439,029,423.37/352,971.78
  6. Step 6: Final answer
    x = 264,720.96

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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.