Home / 186,081.12-279,105.08-59,687.06

Finding the Fourth Proportional to 186,081.12, 279,105.08 and 59,687.06

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Solution

The fourth proportional to 186,081.12, 279,105.08 and 59,687.06 is: 89,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,081.12 : 279,105.08 = 59,687.06 : x
  2. Step 2: Convert to fraction form
    186,081.12/279,105.08 = 59,687.06/x
  3. Step 3: Cross multiply
    186,081.12x = 279,105.08 × 59,687.06
  4. Step 4: Simplify right side
    186,081.12x = 16,658,959,962.30
  5. Step 5: Solve for x
    x = 16,658,959,962.30/186,081.12
  6. Step 6: Final answer
    x = 89,525.26

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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.