Home / 168,488.90-252,648.83-56,129.61

Finding the Fourth Proportional to 168,488.90, 252,648.83 and 56,129.61

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Solution

The fourth proportional to 168,488.90, 252,648.83 and 56,129.61 is: 84,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,488.90 : 252,648.83 = 56,129.61 : x
  2. Step 2: Convert to fraction form
    168,488.90/252,648.83 = 56,129.61/x
  3. Step 3: Cross multiply
    168,488.90x = 252,648.83 × 56,129.61
  4. Step 4: Simplify right side
    168,488.90x = 14,181,080,435.18
  5. Step 5: Solve for x
    x = 14,181,080,435.18/168,488.90
  6. Step 6: Final answer
    x = 84,166.26

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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.