Home / 157,405.82-236,178.27-82,508.04

Finding the Fourth Proportional to 157,405.82, 236,178.27 and 82,508.04

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Solution

The fourth proportional to 157,405.82, 236,178.27 and 82,508.04 is: 123,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,405.82 : 236,178.27 = 82,508.04 : x
  2. Step 2: Convert to fraction form
    157,405.82/236,178.27 = 82,508.04/x
  3. Step 3: Cross multiply
    157,405.82x = 236,178.27 × 82,508.04
  4. Step 4: Simplify right side
    157,405.82x = 19,486,606,148.29
  5. Step 5: Solve for x
    x = 19,486,606,148.29/157,405.82
  6. Step 6: Final answer
    x = 123,798.51

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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.