Home / 177,102.12-244,406.64-100,619.82

Finding the Fourth Proportional to 177,102.12, 244,406.64 and 100,619.82

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Solution

The fourth proportional to 177,102.12, 244,406.64 and 100,619.82 is: 138,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,102.12 : 244,406.64 = 100,619.82 : x
  2. Step 2: Convert to fraction form
    177,102.12/244,406.64 = 100,619.82/x
  3. Step 3: Cross multiply
    177,102.12x = 244,406.64 × 100,619.82
  4. Step 4: Simplify right side
    177,102.12x = 24,592,152,123.60
  5. Step 5: Solve for x
    x = 24,592,152,123.60/177,102.12
  6. Step 6: Final answer
    x = 138,858.60

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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.