Home / 157,406.38-236,107.38-89,794.14

Finding the Fourth Proportional to 157,406.38, 236,107.38 and 89,794.14

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Solution

The fourth proportional to 157,406.38, 236,107.38 and 89,794.14 is: 134,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,406.38 : 236,107.38 = 89,794.14 : x
  2. Step 2: Convert to fraction form
    157,406.38/236,107.38 = 89,794.14/x
  3. Step 3: Cross multiply
    157,406.38x = 236,107.38 × 89,794.14
  4. Step 4: Simplify right side
    157,406.38x = 21,201,059,134.75
  5. Step 5: Solve for x
    x = 21,201,059,134.75/157,406.38
  6. Step 6: Final answer
    x = 134,689.96

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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.