Home / 208,736.48-288,056.44-113,243.16

Finding the Fourth Proportional to 208,736.48, 288,056.44 and 113,243.16

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Solution

The fourth proportional to 208,736.48, 288,056.44 and 113,243.16 is: 156,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,736.48 : 288,056.44 = 113,243.16 : x
  2. Step 2: Convert to fraction form
    208,736.48/288,056.44 = 113,243.16/x
  3. Step 3: Cross multiply
    208,736.48x = 288,056.44 × 113,243.16
  4. Step 4: Simplify right side
    208,736.48x = 32,620,421,523.95
  5. Step 5: Solve for x
    x = 32,620,421,523.95/208,736.48
  6. Step 6: Final answer
    x = 156,275.61

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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.