Home / 191,042.16-263,625.36-104,999.28

Finding the Fourth Proportional to 191,042.16, 263,625.36 and 104,999.28

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Solution

The fourth proportional to 191,042.16, 263,625.36 and 104,999.28 is: 144,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,042.16 : 263,625.36 = 104,999.28 : x
  2. Step 2: Convert to fraction form
    191,042.16/263,625.36 = 104,999.28/x
  3. Step 3: Cross multiply
    191,042.16x = 263,625.36 × 104,999.28
  4. Step 4: Simplify right side
    191,042.16x = 27,680,472,989.74
  5. Step 5: Solve for x
    x = 27,680,472,989.74/191,042.16
  6. Step 6: Final answer
    x = 144,891.96

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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.