Home / 247,847.37-342,031.47-134,670.12

Finding the Fourth Proportional to 247,847.37, 342,031.47 and 134,670.12

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Solution

The fourth proportional to 247,847.37, 342,031.47 and 134,670.12 is: 185,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,847.37 : 342,031.47 = 134,670.12 : x
  2. Step 2: Convert to fraction form
    247,847.37/342,031.47 = 134,670.12/x
  3. Step 3: Cross multiply
    247,847.37x = 342,031.47 × 134,670.12
  4. Step 4: Simplify right side
    247,847.37x = 46,061,419,108.68
  5. Step 5: Solve for x
    x = 46,061,419,108.68/247,847.37
  6. Step 6: Final answer
    x = 185,845.91

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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.