Home / 293,947.67-405,734.11-191,988.72

Finding the Fourth Proportional to 293,947.67, 405,734.11 and 191,988.72

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Solution

The fourth proportional to 293,947.67, 405,734.11 and 191,988.72 is: 265,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,947.67 : 405,734.11 = 191,988.72 : x
  2. Step 2: Convert to fraction form
    293,947.67/405,734.11 = 191,988.72/x
  3. Step 3: Cross multiply
    293,947.67x = 405,734.11 × 191,988.72
  4. Step 4: Simplify right side
    293,947.67x = 77,896,372,439.24
  5. Step 5: Solve for x
    x = 77,896,372,439.24/293,947.67
  6. Step 6: Final answer
    x = 265,000.82

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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.