Home / 208,736.64-288,071.04-118,092.96

Finding the Fourth Proportional to 208,736.64, 288,071.04 and 118,092.96

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Solution

The fourth proportional to 208,736.64, 288,071.04 and 118,092.96 is: 162,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,736.64 : 288,071.04 = 118,092.96 : x
  2. Step 2: Convert to fraction form
    208,736.64/288,071.04 = 118,092.96/x
  3. Step 3: Cross multiply
    208,736.64x = 288,071.04 × 118,092.96
  4. Step 4: Simplify right side
    208,736.64x = 34,019,161,803.88
  5. Step 5: Solve for x
    x = 34,019,161,803.88/208,736.64
  6. Step 6: Final answer
    x = 162,976.48

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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.