Home / 177,845.80-266,768.70-157,628.20

Finding the Fourth Proportional to 177,845.80, 266,768.70 and 157,628.20

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Solution

The fourth proportional to 177,845.80, 266,768.70 and 157,628.20 is: 236,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,845.80 : 266,768.70 = 157,628.20 : x
  2. Step 2: Convert to fraction form
    177,845.80/266,768.70 = 157,628.20/x
  3. Step 3: Cross multiply
    177,845.80x = 266,768.70 × 157,628.20
  4. Step 4: Simplify right side
    177,845.80x = 42,050,269,997.34
  5. Step 5: Solve for x
    x = 42,050,269,997.34/177,845.80
  6. Step 6: Final answer
    x = 236,442.30

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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.