Home / 117,456.72-176,132.16-70,093.68

Finding the Fourth Proportional to 117,456.72, 176,132.16 and 70,093.68

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Solution

The fourth proportional to 117,456.72, 176,132.16 and 70,093.68 is: 105,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,456.72 : 176,132.16 = 70,093.68 : x
  2. Step 2: Convert to fraction form
    117,456.72/176,132.16 = 70,093.68/x
  3. Step 3: Cross multiply
    117,456.72x = 176,132.16 × 70,093.68
  4. Step 4: Simplify right side
    117,456.72x = 12,345,751,260.75
  5. Step 5: Solve for x
    x = 12,345,751,260.75/117,456.72
  6. Step 6: Final answer
    x = 105,108.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.