Home / 177,825.72-245,449.26-102,404.28

Finding the Fourth Proportional to 177,825.72, 245,449.26 and 102,404.28

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Solution

The fourth proportional to 177,825.72, 245,449.26 and 102,404.28 is: 141,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,825.72 : 245,449.26 = 102,404.28 : x
  2. Step 2: Convert to fraction form
    177,825.72/245,449.26 = 102,404.28/x
  3. Step 3: Cross multiply
    177,825.72x = 245,449.26 × 102,404.28
  4. Step 4: Simplify right side
    177,825.72x = 25,135,054,746.83
  5. Step 5: Solve for x
    x = 25,135,054,746.83/177,825.72
  6. Step 6: Final answer
    x = 141,346.57

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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.