Home / 157,404.49-236,176.30-82,506.73

Finding the Fourth Proportional to 157,404.49, 236,176.30 and 82,506.73

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Solution

The fourth proportional to 157,404.49, 236,176.30 and 82,506.73 is: 123,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,404.49 : 236,176.30 = 82,506.73 : x
  2. Step 2: Convert to fraction form
    157,404.49/236,176.30 = 82,506.73/x
  3. Step 3: Cross multiply
    157,404.49x = 236,176.30 × 82,506.73
  4. Step 4: Simplify right side
    157,404.49x = 19,486,133,419.79
  5. Step 5: Solve for x
    x = 19,486,133,419.79/157,404.49
  6. Step 6: Final answer
    x = 123,796.55

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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.