Home / 179,128.60-247,232.82-102,699.04

Finding the Fourth Proportional to 179,128.60, 247,232.82 and 102,699.04

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Solution

The fourth proportional to 179,128.60, 247,232.82 and 102,699.04 is: 141,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,128.60 : 247,232.82 = 102,699.04 : x
  2. Step 2: Convert to fraction form
    179,128.60/247,232.82 = 102,699.04/x
  3. Step 3: Cross multiply
    179,128.60x = 247,232.82 × 102,699.04
  4. Step 4: Simplify right side
    179,128.60x = 25,390,573,270.49
  5. Step 5: Solve for x
    x = 25,390,573,270.49/179,128.60
  6. Step 6: Final answer
    x = 141,744.94

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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.