Home / 191,203.34-263,867.00-105,165.95

Finding the Fourth Proportional to 191,203.34, 263,867.00 and 105,165.95

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Solution

The fourth proportional to 191,203.34, 263,867.00 and 105,165.95 is: 145,132.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,203.34 : 263,867.00 = 105,165.95 : x
  2. Step 2: Convert to fraction form
    191,203.34/263,867.00 = 105,165.95/x
  3. Step 3: Cross multiply
    191,203.34x = 263,867.00 × 105,165.95
  4. Step 4: Simplify right side
    191,203.34x = 27,749,821,883.49
  5. Step 5: Solve for x
    x = 27,749,821,883.49/191,203.34
  6. Step 6: Final answer
    x = 145,132.52

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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.