Home / 186,930.47-257,993.66-118,876.49

Finding the Fourth Proportional to 186,930.47, 257,993.66 and 118,876.49

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Solution

The fourth proportional to 186,930.47, 257,993.66 and 118,876.49 is: 164,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,930.47 : 257,993.66 = 118,876.49 : x
  2. Step 2: Convert to fraction form
    186,930.47/257,993.66 = 118,876.49/x
  3. Step 3: Cross multiply
    186,930.47x = 257,993.66 × 118,876.49
  4. Step 4: Simplify right side
    186,930.47x = 30,669,380,793.66
  5. Step 5: Solve for x
    x = 30,669,380,793.66/186,930.47
  6. Step 6: Final answer
    x = 164,068.39

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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.