Home / 259,900.16-389,849.98-97,824.47

Finding the Fourth Proportional to 259,900.16, 389,849.98 and 97,824.47

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Solution

The fourth proportional to 259,900.16, 389,849.98 and 97,824.47 is: 146,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,900.16 : 389,849.98 = 97,824.47 : x
  2. Step 2: Convert to fraction form
    259,900.16/389,849.98 = 97,824.47/x
  3. Step 3: Cross multiply
    259,900.16x = 389,849.98 × 97,824.47
  4. Step 4: Simplify right side
    259,900.16x = 38,136,867,673.01
  5. Step 5: Solve for x
    x = 38,136,867,673.01/259,900.16
  6. Step 6: Final answer
    x = 146,736.61

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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.