Home / 175,703.76-263,430.36-82,158.48

Finding the Fourth Proportional to 175,703.76, 263,430.36 and 82,158.48

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Solution

The fourth proportional to 175,703.76, 263,430.36 and 82,158.48 is: 123,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,703.76 : 263,430.36 = 82,158.48 : x
  2. Step 2: Convert to fraction form
    175,703.76/263,430.36 = 82,158.48/x
  3. Step 3: Cross multiply
    175,703.76x = 263,430.36 × 82,158.48
  4. Step 4: Simplify right side
    175,703.76x = 21,643,037,963.45
  5. Step 5: Solve for x
    x = 21,643,037,963.45/175,703.76
  6. Step 6: Final answer
    x = 123,179.14

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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.