Home / 186,388.36-279,563.10-53,260

Finding the Fourth Proportional to 186,388.36, 279,563.10 and 53,260

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Solution

The fourth proportional to 186,388.36, 279,563.10 and 53,260 is: 79,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,388.36 : 279,563.10 = 53,260 : x
  2. Step 2: Convert to fraction form
    186,388.36/279,563.10 = 53,260/x
  3. Step 3: Cross multiply
    186,388.36x = 279,563.10 × 53,260
  4. Step 4: Simplify right side
    186,388.36x = 14,889,530,706.00
  5. Step 5: Solve for x
    x = 14,889,530,706.00/186,388.36
  6. Step 6: Final answer
    x = 79,884.45

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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.