Home / 178,808.88-246,663.72-121,451.16

Finding the Fourth Proportional to 178,808.88, 246,663.72 and 121,451.16

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Solution

The fourth proportional to 178,808.88, 246,663.72 and 121,451.16 is: 167,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,808.88 : 246,663.72 = 121,451.16 : x
  2. Step 2: Convert to fraction form
    178,808.88/246,663.72 = 121,451.16/x
  3. Step 3: Cross multiply
    178,808.88x = 246,663.72 × 121,451.16
  4. Step 4: Simplify right side
    178,808.88x = 29,957,594,923.92
  5. Step 5: Solve for x
    x = 29,957,594,923.92/178,808.88
  6. Step 6: Final answer
    x = 167,539.75

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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.