Home / 208,738.14-288,073.11-118,094.46

Finding the Fourth Proportional to 208,738.14, 288,073.11 and 118,094.46

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Solution

The fourth proportional to 208,738.14, 288,073.11 and 118,094.46 is: 162,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,738.14 : 288,073.11 = 118,094.46 : x
  2. Step 2: Convert to fraction form
    208,738.14/288,073.11 = 118,094.46/x
  3. Step 3: Cross multiply
    208,738.14x = 288,073.11 × 118,094.46
  4. Step 4: Simplify right side
    208,738.14x = 34,019,838,365.97
  5. Step 5: Solve for x
    x = 34,019,838,365.97/208,738.14
  6. Step 6: Final answer
    x = 162,978.55

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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.