Home / 177,225.21-265,608.18-71,986.77

Finding the Fourth Proportional to 177,225.21, 265,608.18 and 71,986.77

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Solution

The fourth proportional to 177,225.21, 265,608.18 and 71,986.77 is: 107,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,225.21 : 265,608.18 = 71,986.77 : x
  2. Step 2: Convert to fraction form
    177,225.21/265,608.18 = 71,986.77/x
  3. Step 3: Cross multiply
    177,225.21x = 265,608.18 × 71,986.77
  4. Step 4: Simplify right side
    177,225.21x = 19,120,274,963.78
  5. Step 5: Solve for x
    x = 19,120,274,963.78/177,225.21
  6. Step 6: Final answer
    x = 107,886.88

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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.