Home / 208,742.88-288,092.31-116,897.13

Finding the Fourth Proportional to 208,742.88, 288,092.31 and 116,897.13

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Solution

The fourth proportional to 208,742.88, 288,092.31 and 116,897.13 is: 161,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,742.88 : 288,092.31 = 116,897.13 : x
  2. Step 2: Convert to fraction form
    208,742.88/288,092.31 = 116,897.13/x
  3. Step 3: Cross multiply
    208,742.88x = 288,092.31 × 116,897.13
  4. Step 4: Simplify right side
    208,742.88x = 33,677,164,214.07
  5. Step 5: Solve for x
    x = 33,677,164,214.07/208,742.88
  6. Step 6: Final answer
    x = 161,333.24

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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.