Home / 175,113.56-262,703.18-81,619.31

Finding the Fourth Proportional to 175,113.56, 262,703.18 and 81,619.31

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Solution

The fourth proportional to 175,113.56, 262,703.18 and 81,619.31 is: 122,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,113.56 : 262,703.18 = 81,619.31 : x
  2. Step 2: Convert to fraction form
    175,113.56/262,703.18 = 81,619.31/x
  3. Step 3: Cross multiply
    175,113.56x = 262,703.18 × 81,619.31
  4. Step 4: Simplify right side
    175,113.56x = 21,441,653,147.21
  5. Step 5: Solve for x
    x = 21,441,653,147.21/175,113.56
  6. Step 6: Final answer
    x = 122,444.27

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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.