Home / 259,018.24-388,199.04-116,711.68

Finding the Fourth Proportional to 259,018.24, 388,199.04 and 116,711.68

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Solution

The fourth proportional to 259,018.24, 388,199.04 and 116,711.68 is: 174,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,018.24 : 388,199.04 = 116,711.68 : x
  2. Step 2: Convert to fraction form
    259,018.24/388,199.04 = 116,711.68/x
  3. Step 3: Cross multiply
    259,018.24x = 388,199.04 × 116,711.68
  4. Step 4: Simplify right side
    259,018.24x = 45,307,362,132.79
  5. Step 5: Solve for x
    x = 45,307,362,132.79/259,018.24
  6. Step 6: Final answer
    x = 174,919.58

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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.