Home / 174,429.90-261,644.85-172,097.10

Finding the Fourth Proportional to 174,429.90, 261,644.85 and 172,097.10

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Solution

The fourth proportional to 174,429.90, 261,644.85 and 172,097.10 is: 258,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,429.90 : 261,644.85 = 172,097.10 : x
  2. Step 2: Convert to fraction form
    174,429.90/261,644.85 = 172,097.10/x
  3. Step 3: Cross multiply
    174,429.90x = 261,644.85 × 172,097.10
  4. Step 4: Simplify right side
    174,429.90x = 45,028,319,914.94
  5. Step 5: Solve for x
    x = 45,028,319,914.94/174,429.90
  6. Step 6: Final answer
    x = 258,145.65

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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.