Home / 173,073.80-259,628.93-71,860.36

Finding the Fourth Proportional to 173,073.80, 259,628.93 and 71,860.36

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Solution

The fourth proportional to 173,073.80, 259,628.93 and 71,860.36 is: 107,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,073.80 : 259,628.93 = 71,860.36 : x
  2. Step 2: Convert to fraction form
    173,073.80/259,628.93 = 71,860.36/x
  3. Step 3: Cross multiply
    173,073.80x = 259,628.93 × 71,860.36
  4. Step 4: Simplify right side
    173,073.80x = 18,657,028,376.21
  5. Step 5: Solve for x
    x = 18,657,028,376.21/173,073.80
  6. Step 6: Final answer
    x = 107,798.11

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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.