Home / 126,953.84-175,105.32-83,883.44

Finding the Fourth Proportional to 126,953.84, 175,105.32 and 83,883.44

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Solution

The fourth proportional to 126,953.84, 175,105.32 and 83,883.44 is: 115,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,953.84 : 175,105.32 = 83,883.44 : x
  2. Step 2: Convert to fraction form
    126,953.84/175,105.32 = 83,883.44/x
  3. Step 3: Cross multiply
    126,953.84x = 175,105.32 × 83,883.44
  4. Step 4: Simplify right side
    126,953.84x = 14,688,436,603.90
  5. Step 5: Solve for x
    x = 14,688,436,603.90/126,953.84
  6. Step 6: Final answer
    x = 115,699.03

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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.