Home / 206,861.06-285,448.10-116,196.50

Finding the Fourth Proportional to 206,861.06, 285,448.10 and 116,196.50

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Solution

The fourth proportional to 206,861.06, 285,448.10 and 116,196.50 is: 160,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,861.06 : 285,448.10 = 116,196.50 : x
  2. Step 2: Convert to fraction form
    206,861.06/285,448.10 = 116,196.50/x
  3. Step 3: Cross multiply
    206,861.06x = 285,448.10 × 116,196.50
  4. Step 4: Simplify right side
    206,861.06x = 33,168,070,151.65
  5. Step 5: Solve for x
    x = 33,168,070,151.65/206,861.06
  6. Step 6: Final answer
    x = 160,339.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.