Home / 205,732.26-308,596.15-156,117.06

Finding the Fourth Proportional to 205,732.26, 308,596.15 and 156,117.06

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Solution

The fourth proportional to 205,732.26, 308,596.15 and 156,117.06 is: 234,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,732.26 : 308,596.15 = 156,117.06 : x
  2. Step 2: Convert to fraction form
    205,732.26/308,596.15 = 156,117.06/x
  3. Step 3: Cross multiply
    205,732.26x = 308,596.15 × 156,117.06
  4. Step 4: Simplify right side
    205,732.26x = 48,177,123,665.32
  5. Step 5: Solve for x
    x = 48,177,123,665.32/205,732.26
  6. Step 6: Final answer
    x = 234,173.89

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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.