Home / 175,606.12-263,581.98-128,725.48

Finding the Fourth Proportional to 175,606.12, 263,581.98 and 128,725.48

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Solution

The fourth proportional to 175,606.12, 263,581.98 and 128,725.48 is: 193,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,606.12 : 263,581.98 = 128,725.48 : x
  2. Step 2: Convert to fraction form
    175,606.12/263,581.98 = 128,725.48/x
  3. Step 3: Cross multiply
    175,606.12x = 263,581.98 × 128,725.48
  4. Step 4: Simplify right side
    175,606.12x = 33,929,716,894.85
  5. Step 5: Solve for x
    x = 33,929,716,894.85/175,606.12
  6. Step 6: Final answer
    x = 193,214.89

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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.