Home / 318,974.22-440,185.52-175,733.92

Finding the Fourth Proportional to 318,974.22, 440,185.52 and 175,733.92

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Solution

The fourth proportional to 318,974.22, 440,185.52 and 175,733.92 is: 242,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,974.22 : 440,185.52 = 175,733.92 : x
  2. Step 2: Convert to fraction form
    318,974.22/440,185.52 = 175,733.92/x
  3. Step 3: Cross multiply
    318,974.22x = 440,185.52 × 175,733.92
  4. Step 4: Simplify right side
    318,974.22x = 77,355,524,977.71
  5. Step 5: Solve for x
    x = 77,355,524,977.71/318,974.22
  6. Step 6: Final answer
    x = 242,513.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.