Home / 186,619.56-280,091.10-97,935.72

Finding the Fourth Proportional to 186,619.56, 280,091.10 and 97,935.72

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Solution

The fourth proportional to 186,619.56, 280,091.10 and 97,935.72 is: 146,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,619.56 : 280,091.10 = 97,935.72 : x
  2. Step 2: Convert to fraction form
    186,619.56/280,091.10 = 97,935.72/x
  3. Step 3: Cross multiply
    186,619.56x = 280,091.10 × 97,935.72
  4. Step 4: Simplify right side
    186,619.56x = 27,430,923,544.09
  5. Step 5: Solve for x
    x = 27,430,923,544.09/186,619.56
  6. Step 6: Final answer
    x = 146,988.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.