Home / 186,579.65-279,984.90-97,896.80

Finding the Fourth Proportional to 186,579.65, 279,984.90 and 97,896.80

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Solution

The fourth proportional to 186,579.65, 279,984.90 and 97,896.80 is: 146,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,579.65 : 279,984.90 = 97,896.80 : x
  2. Step 2: Convert to fraction form
    186,579.65/279,984.90 = 97,896.80/x
  3. Step 3: Cross multiply
    186,579.65x = 279,984.90 × 97,896.80
  4. Step 4: Simplify right side
    186,579.65x = 27,409,625,758.32
  5. Step 5: Solve for x
    x = 27,409,625,758.32/186,579.65
  6. Step 6: Final answer
    x = 146,905.76

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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.