Home / 188,642.49-260,324.03-102,599.61

Finding the Fourth Proportional to 188,642.49, 260,324.03 and 102,599.61

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Solution

The fourth proportional to 188,642.49, 260,324.03 and 102,599.61 is: 141,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,642.49 : 260,324.03 = 102,599.61 : x
  2. Step 2: Convert to fraction form
    188,642.49/260,324.03 = 102,599.61/x
  3. Step 3: Cross multiply
    188,642.49x = 260,324.03 × 102,599.61
  4. Step 4: Simplify right side
    188,642.49x = 26,709,144,119.11
  5. Step 5: Solve for x
    x = 26,709,144,119.11/188,642.49
  6. Step 6: Final answer
    x = 141,586.04

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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.