Home / 318,736.20-439,854.97-175,496.28

Finding the Fourth Proportional to 318,736.20, 439,854.97 and 175,496.28

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Solution

The fourth proportional to 318,736.20, 439,854.97 and 175,496.28 is: 242,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,736.20 : 439,854.97 = 175,496.28 : x
  2. Step 2: Convert to fraction form
    318,736.20/439,854.97 = 175,496.28/x
  3. Step 3: Cross multiply
    318,736.20x = 439,854.97 × 175,496.28
  4. Step 4: Simplify right side
    318,736.20x = 77,192,910,974.51
  5. Step 5: Solve for x
    x = 77,192,910,974.51/318,736.20
  6. Step 6: Final answer
    x = 242,184.32

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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.