Home / 174,429.40-261,644.10-172,096.60

Finding the Fourth Proportional to 174,429.40, 261,644.10 and 172,096.60

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Solution

The fourth proportional to 174,429.40, 261,644.10 and 172,096.60 is: 258,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,429.40 : 261,644.10 = 172,096.60 : x
  2. Step 2: Convert to fraction form
    174,429.40/261,644.10 = 172,096.60/x
  3. Step 3: Cross multiply
    174,429.40x = 261,644.10 × 172,096.60
  4. Step 4: Simplify right side
    174,429.40x = 45,028,060,020.06
  5. Step 5: Solve for x
    x = 45,028,060,020.06/174,429.40
  6. Step 6: Final answer
    x = 258,144.90

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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.