Home / 186,829.38-257,830.20-106,268.49

Finding the Fourth Proportional to 186,829.38, 257,830.20 and 106,268.49

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Solution

The fourth proportional to 186,829.38, 257,830.20 and 106,268.49 is: 146,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,829.38 : 257,830.20 = 106,268.49 : x
  2. Step 2: Convert to fraction form
    186,829.38/257,830.20 = 106,268.49/x
  3. Step 3: Cross multiply
    186,829.38x = 257,830.20 × 106,268.49
  4. Step 4: Simplify right side
    186,829.38x = 27,399,226,030.40
  5. Step 5: Solve for x
    x = 27,399,226,030.40/186,829.38
  6. Step 6: Final answer
    x = 146,653.73

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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.