Home / 177,644.55-266,337.23-72,409.35

Finding the Fourth Proportional to 177,644.55, 266,337.23 and 72,409.35

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Solution

The fourth proportional to 177,644.55, 266,337.23 and 72,409.35 is: 108,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,644.55 : 266,337.23 = 72,409.35 : x
  2. Step 2: Convert to fraction form
    177,644.55/266,337.23 = 72,409.35/x
  3. Step 3: Cross multiply
    177,644.55x = 266,337.23 × 72,409.35
  4. Step 4: Simplify right side
    177,644.55x = 19,285,305,343.05
  5. Step 5: Solve for x
    x = 19,285,305,343.05/177,644.55
  6. Step 6: Final answer
    x = 108,561.20

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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.