Home / 177,386.79-244,997.43-129,203.40

Finding the Fourth Proportional to 177,386.79, 244,997.43 and 129,203.40

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Solution

The fourth proportional to 177,386.79, 244,997.43 and 129,203.40 is: 178,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,386.79 : 244,997.43 = 129,203.40 : x
  2. Step 2: Convert to fraction form
    177,386.79/244,997.43 = 129,203.40/x
  3. Step 3: Cross multiply
    177,386.79x = 244,997.43 × 129,203.40
  4. Step 4: Simplify right side
    177,386.79x = 31,654,501,381.49
  5. Step 5: Solve for x
    x = 31,654,501,381.49/177,386.79
  6. Step 6: Final answer
    x = 178,449.03

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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.