Home / 191,129.04-263,752.49-105,087.94

Finding the Fourth Proportional to 191,129.04, 263,752.49 and 105,087.94

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Solution

The fourth proportional to 191,129.04, 263,752.49 and 105,087.94 is: 145,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,129.04 : 263,752.49 = 105,087.94 : x
  2. Step 2: Convert to fraction form
    191,129.04/263,752.49 = 105,087.94/x
  3. Step 3: Cross multiply
    191,129.04x = 263,752.49 × 105,087.94
  4. Step 4: Simplify right side
    191,129.04x = 27,717,204,525.21
  5. Step 5: Solve for x
    x = 27,717,204,525.21/191,129.04
  6. Step 6: Final answer
    x = 145,018.28

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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.