Home / 175,549.80-263,195.10-75,628.20

Finding the Fourth Proportional to 175,549.80, 263,195.10 and 75,628.20

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Solution

The fourth proportional to 175,549.80, 263,195.10 and 75,628.20 is: 113,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,549.80 : 263,195.10 = 75,628.20 : x
  2. Step 2: Convert to fraction form
    175,549.80/263,195.10 = 75,628.20/x
  3. Step 3: Cross multiply
    175,549.80x = 263,195.10 × 75,628.20
  4. Step 4: Simplify right side
    175,549.80x = 19,904,971,661.82
  5. Step 5: Solve for x
    x = 19,904,971,661.82/175,549.80
  6. Step 6: Final answer
    x = 113,386.47

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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.