Home / 168,498.23-252,677.88-68,590.80

Finding the Fourth Proportional to 168,498.23, 252,677.88 and 68,590.80

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Solution

The fourth proportional to 168,498.23, 252,677.88 and 68,590.80 is: 102,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,498.23 : 252,677.88 = 68,590.80 : x
  2. Step 2: Convert to fraction form
    168,498.23/252,677.88 = 68,590.80/x
  3. Step 3: Cross multiply
    168,498.23x = 252,677.88 × 68,590.80
  4. Step 4: Simplify right side
    168,498.23x = 17,331,377,931.50
  5. Step 5: Solve for x
    x = 17,331,377,931.50/168,498.23
  6. Step 6: Final answer
    x = 102,857.93

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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.