Home / 177,784.69-245,404.64-102,363.25

Finding the Fourth Proportional to 177,784.69, 245,404.64 and 102,363.25

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Solution

The fourth proportional to 177,784.69, 245,404.64 and 102,363.25 is: 141,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.69 : 245,404.64 = 102,363.25 : x
  2. Step 2: Convert to fraction form
    177,784.69/245,404.64 = 102,363.25/x
  3. Step 3: Cross multiply
    177,784.69x = 245,404.64 × 102,363.25
  4. Step 4: Simplify right side
    177,784.69x = 25,120,415,544.36
  5. Step 5: Solve for x
    x = 25,120,415,544.36/177,784.69
  6. Step 6: Final answer
    x = 141,296.85

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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.