Home / 176,778.72-265,148.64-52,129.44

Finding the Fourth Proportional to 176,778.72, 265,148.64 and 52,129.44

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Solution

The fourth proportional to 176,778.72, 265,148.64 and 52,129.44 is: 78,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,778.72 : 265,148.64 = 52,129.44 : x
  2. Step 2: Convert to fraction form
    176,778.72/265,148.64 = 52,129.44/x
  3. Step 3: Cross multiply
    176,778.72x = 265,148.64 × 52,129.44
  4. Step 4: Simplify right side
    176,778.72x = 13,822,050,119.96
  5. Step 5: Solve for x
    x = 13,822,050,119.96/176,778.72
  6. Step 6: Final answer
    x = 78,188.43

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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.