Home / 186,913.50-257,940.87-119,845.50

Finding the Fourth Proportional to 186,913.50, 257,940.87 and 119,845.50

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Solution

The fourth proportional to 186,913.50, 257,940.87 and 119,845.50 is: 165,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,913.50 : 257,940.87 = 119,845.50 : x
  2. Step 2: Convert to fraction form
    186,913.50/257,940.87 = 119,845.50/x
  3. Step 3: Cross multiply
    186,913.50x = 257,940.87 × 119,845.50
  4. Step 4: Simplify right side
    186,913.50x = 30,913,052,535.59
  5. Step 5: Solve for x
    x = 30,913,052,535.59/186,913.50
  6. Step 6: Final answer
    x = 165,386.94

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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.