Home / 186,511.40-279,849.78-97,743.80

Finding the Fourth Proportional to 186,511.40, 279,849.78 and 97,743.80

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Solution

The fourth proportional to 186,511.40, 279,849.78 and 97,743.80 is: 146,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,511.40 : 279,849.78 = 97,743.80 : x
  2. Step 2: Convert to fraction form
    186,511.40/279,849.78 = 97,743.80/x
  3. Step 3: Cross multiply
    186,511.40x = 279,849.78 × 97,743.80
  4. Step 4: Simplify right side
    186,511.40x = 27,353,580,926.36
  5. Step 5: Solve for x
    x = 27,353,580,926.36/186,511.40
  6. Step 6: Final answer
    x = 146,659.03

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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.