Home / 208,982.66-288,399.51-118,336.24

Finding the Fourth Proportional to 208,982.66, 288,399.51 and 118,336.24

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Solution

The fourth proportional to 208,982.66, 288,399.51 and 118,336.24 is: 163,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,982.66 : 288,399.51 = 118,336.24 : x
  2. Step 2: Convert to fraction form
    208,982.66/288,399.51 = 118,336.24/x
  3. Step 3: Cross multiply
    208,982.66x = 288,399.51 × 118,336.24
  4. Step 4: Simplify right side
    208,982.66x = 34,128,111,597.56
  5. Step 5: Solve for x
    x = 34,128,111,597.56/208,982.66
  6. Step 6: Final answer
    x = 163,305.95

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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.