Home / 177,666.24-266,380.80-72,456.96

Finding the Fourth Proportional to 177,666.24, 266,380.80 and 72,456.96

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Solution

The fourth proportional to 177,666.24, 266,380.80 and 72,456.96 is: 108,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,666.24 : 266,380.80 = 72,456.96 : x
  2. Step 2: Convert to fraction form
    177,666.24/266,380.80 = 72,456.96/x
  3. Step 3: Cross multiply
    177,666.24x = 266,380.80 × 72,456.96
  4. Step 4: Simplify right side
    177,666.24x = 19,301,142,970.37
  5. Step 5: Solve for x
    x = 19,301,142,970.37/177,666.24
  6. Step 6: Final answer
    x = 108,637.09

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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.