Home / 177,784.56-245,404.47-102,363.12

Finding the Fourth Proportional to 177,784.56, 245,404.47 and 102,363.12

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Solution

The fourth proportional to 177,784.56, 245,404.47 and 102,363.12 is: 141,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.56 : 245,404.47 = 102,363.12 : x
  2. Step 2: Convert to fraction form
    177,784.56/245,404.47 = 102,363.12/x
  3. Step 3: Cross multiply
    177,784.56x = 245,404.47 × 102,363.12
  4. Step 4: Simplify right side
    177,784.56x = 25,120,367,211.15
  5. Step 5: Solve for x
    x = 25,120,367,211.15/177,784.56
  6. Step 6: Final answer
    x = 141,296.68

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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.