Home / 157,396.23-236,164.07-82,498.57

Finding the Fourth Proportional to 157,396.23, 236,164.07 and 82,498.57

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Solution

The fourth proportional to 157,396.23, 236,164.07 and 82,498.57 is: 123,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,396.23 : 236,164.07 = 82,498.57 : x
  2. Step 2: Convert to fraction form
    157,396.23/236,164.07 = 82,498.57/x
  3. Step 3: Cross multiply
    157,396.23x = 236,164.07 × 82,498.57
  4. Step 4: Simplify right side
    157,396.23x = 19,483,197,676.22
  5. Step 5: Solve for x
    x = 19,483,197,676.22/157,396.23
  6. Step 6: Final answer
    x = 123,784.40

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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.