Home / 102,633.08-153,834.48-67,162.64

Finding the Fourth Proportional to 102,633.08, 153,834.48 and 67,162.64

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Solution

The fourth proportional to 102,633.08, 153,834.48 and 67,162.64 is: 100,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,633.08 : 153,834.48 = 67,162.64 : x
  2. Step 2: Convert to fraction form
    102,633.08/153,834.48 = 67,162.64/x
  3. Step 3: Cross multiply
    102,633.08x = 153,834.48 × 67,162.64
  4. Step 4: Simplify right side
    102,633.08x = 10,331,929,799.83
  5. Step 5: Solve for x
    x = 10,331,929,799.83/102,633.08
  6. Step 6: Final answer
    x = 100,668.61

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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.