Home / 126,835.96-175,039.16-70,247.28

Finding the Fourth Proportional to 126,835.96, 175,039.16 and 70,247.28

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Solution

The fourth proportional to 126,835.96, 175,039.16 and 70,247.28 is: 96,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,835.96 : 175,039.16 = 70,247.28 : x
  2. Step 2: Convert to fraction form
    126,835.96/175,039.16 = 70,247.28/x
  3. Step 3: Cross multiply
    126,835.96x = 175,039.16 × 70,247.28
  4. Step 4: Simplify right side
    126,835.96x = 12,296,024,883.48
  5. Step 5: Solve for x
    x = 12,296,024,883.48/126,835.96
  6. Step 6: Final answer
    x = 96,944.31

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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.