Home / 186,431.03-279,657.63-58,371.30

Finding the Fourth Proportional to 186,431.03, 279,657.63 and 58,371.30

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Solution

The fourth proportional to 186,431.03, 279,657.63 and 58,371.30 is: 87,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,431.03 : 279,657.63 = 58,371.30 : x
  2. Step 2: Convert to fraction form
    186,431.03/279,657.63 = 58,371.30/x
  3. Step 3: Cross multiply
    186,431.03x = 279,657.63 × 58,371.30
  4. Step 4: Simplify right side
    186,431.03x = 16,323,979,418.02
  5. Step 5: Solve for x
    x = 16,323,979,418.02/186,431.03
  6. Step 6: Final answer
    x = 87,560.42

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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.