Home / 177,816.72-245,417.44-102,408.96

Finding the Fourth Proportional to 177,816.72, 245,417.44 and 102,408.96

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Solution

The fourth proportional to 177,816.72, 245,417.44 and 102,408.96 is: 141,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.72 : 245,417.44 = 102,408.96 : x
  2. Step 2: Convert to fraction form
    177,816.72/245,417.44 = 102,408.96/x
  3. Step 3: Cross multiply
    177,816.72x = 245,417.44 × 102,408.96
  4. Step 4: Simplify right side
    177,816.72x = 25,132,944,796.26
  5. Step 5: Solve for x
    x = 25,132,944,796.26/177,816.72
  6. Step 6: Final answer
    x = 141,341.85

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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.