Home / 131,992.48-181,905.36-93,753.76

Finding the Fourth Proportional to 131,992.48, 181,905.36 and 93,753.76

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Solution

The fourth proportional to 131,992.48, 181,905.36 and 93,753.76 is: 129,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,992.48 : 181,905.36 = 93,753.76 : x
  2. Step 2: Convert to fraction form
    131,992.48/181,905.36 = 93,753.76/x
  3. Step 3: Cross multiply
    131,992.48x = 181,905.36 × 93,753.76
  4. Step 4: Simplify right side
    131,992.48x = 17,054,311,464.15
  5. Step 5: Solve for x
    x = 17,054,311,464.15/131,992.48
  6. Step 6: Final answer
    x = 129,206.69

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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.