Home / 186,984.48-258,049.08-102,109.44

Finding the Fourth Proportional to 186,984.48, 258,049.08 and 102,109.44

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Solution

The fourth proportional to 186,984.48, 258,049.08 and 102,109.44 is: 140,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,984.48 : 258,049.08 = 102,109.44 : x
  2. Step 2: Convert to fraction form
    186,984.48/258,049.08 = 102,109.44/x
  3. Step 3: Cross multiply
    186,984.48x = 258,049.08 × 102,109.44
  4. Step 4: Simplify right side
    186,984.48x = 26,349,247,051.32
  5. Step 5: Solve for x
    x = 26,349,247,051.32/186,984.48
  6. Step 6: Final answer
    x = 140,916.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.