Home / 147,487.14-203,732.60-115,624.04

Finding the Fourth Proportional to 147,487.14, 203,732.60 and 115,624.04

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Solution

The fourth proportional to 147,487.14, 203,732.60 and 115,624.04 is: 159,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,487.14 : 203,732.60 = 115,624.04 : x
  2. Step 2: Convert to fraction form
    147,487.14/203,732.60 = 115,624.04/x
  3. Step 3: Cross multiply
    147,487.14x = 203,732.60 × 115,624.04
  4. Step 4: Simplify right side
    147,487.14x = 23,556,384,694.92
  5. Step 5: Solve for x
    x = 23,556,384,694.92/147,487.14
  6. Step 6: Final answer
    x = 159,718.23

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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.