Home / 177,822.49-266,873.96-78,051.55

Finding the Fourth Proportional to 177,822.49, 266,873.96 and 78,051.55

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Solution

The fourth proportional to 177,822.49, 266,873.96 and 78,051.55 is: 117,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,822.49 : 266,873.96 = 78,051.55 : x
  2. Step 2: Convert to fraction form
    177,822.49/266,873.96 = 78,051.55/x
  3. Step 3: Cross multiply
    177,822.49x = 266,873.96 × 78,051.55
  4. Step 4: Simplify right side
    177,822.49x = 20,829,926,232.64
  5. Step 5: Solve for x
    x = 20,829,926,232.64/177,822.49
  6. Step 6: Final answer
    x = 117,138.87

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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.