Home / 313,441.39-432,549.12-179,305.39

Finding the Fourth Proportional to 313,441.39, 432,549.12 and 179,305.39

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Solution

The fourth proportional to 313,441.39, 432,549.12 and 179,305.39 is: 247,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,441.39 : 432,549.12 = 179,305.39 : x
  2. Step 2: Convert to fraction form
    313,441.39/432,549.12 = 179,305.39/x
  3. Step 3: Cross multiply
    313,441.39x = 432,549.12 × 179,305.39
  4. Step 4: Simplify right side
    313,441.39x = 77,558,388,655.76
  5. Step 5: Solve for x
    x = 77,558,388,655.76/313,441.39
  6. Step 6: Final answer
    x = 247,441.44

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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.