Home / 186,575.76-257,474.57-106,003.40

Finding the Fourth Proportional to 186,575.76, 257,474.57 and 106,003.40

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Solution

The fourth proportional to 186,575.76, 257,474.57 and 106,003.40 is: 146,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,575.76 : 257,474.57 = 106,003.40 : x
  2. Step 2: Convert to fraction form
    186,575.76/257,474.57 = 106,003.40/x
  3. Step 3: Cross multiply
    186,575.76x = 257,474.57 × 106,003.40
  4. Step 4: Simplify right side
    186,575.76x = 27,293,178,016.15
  5. Step 5: Solve for x
    x = 27,293,178,016.15/186,575.76
  6. Step 6: Final answer
    x = 146,284.69

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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.