Home / 259,525.54-389,507.04-101,864.68

Finding the Fourth Proportional to 259,525.54, 389,507.04 and 101,864.68

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Solution

The fourth proportional to 259,525.54, 389,507.04 and 101,864.68 is: 152,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,525.54 : 389,507.04 = 101,864.68 : x
  2. Step 2: Convert to fraction form
    259,525.54/389,507.04 = 101,864.68/x
  3. Step 3: Cross multiply
    259,525.54x = 389,507.04 × 101,864.68
  4. Step 4: Simplify right side
    259,525.54x = 39,677,009,987.35
  5. Step 5: Solve for x
    x = 39,677,009,987.35/259,525.54
  6. Step 6: Final answer
    x = 152,882.87

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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.