Home / 177,117.28-265,679.57-71,864.26

Finding the Fourth Proportional to 177,117.28, 265,679.57 and 71,864.26

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Solution

The fourth proportional to 177,117.28, 265,679.57 and 71,864.26 is: 107,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,117.28 : 265,679.57 = 71,864.26 : x
  2. Step 2: Convert to fraction form
    177,117.28/265,679.57 = 71,864.26/x
  3. Step 3: Cross multiply
    177,117.28x = 265,679.57 × 71,864.26
  4. Step 4: Simplify right side
    177,117.28x = 19,092,865,335.85
  5. Step 5: Solve for x
    x = 19,092,865,335.85/177,117.28
  6. Step 6: Final answer
    x = 107,797.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.