Home / 177,811.10-266,327.85-138,056.30

Finding the Fourth Proportional to 177,811.10, 266,327.85 and 138,056.30

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Solution

The fourth proportional to 177,811.10, 266,327.85 and 138,056.30 is: 206,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,811.10 : 266,327.85 = 138,056.30 : x
  2. Step 2: Convert to fraction form
    177,811.10/266,327.85 = 138,056.30/x
  3. Step 3: Cross multiply
    177,811.10x = 266,327.85 × 138,056.30
  4. Step 4: Simplify right side
    177,811.10x = 36,768,237,557.96
  5. Step 5: Solve for x
    x = 36,768,237,557.96/177,811.10
  6. Step 6: Final answer
    x = 206,782.58

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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.