Home / 290,801.04-401,326.56-177,645.12

Finding the Fourth Proportional to 290,801.04, 401,326.56 and 177,645.12

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Solution

The fourth proportional to 290,801.04, 401,326.56 and 177,645.12 is: 245,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,801.04 : 401,326.56 = 177,645.12 : x
  2. Step 2: Convert to fraction form
    290,801.04/401,326.56 = 177,645.12/x
  3. Step 3: Cross multiply
    290,801.04x = 401,326.56 × 177,645.12
  4. Step 4: Simplify right side
    290,801.04x = 71,293,704,910.39
  5. Step 5: Solve for x
    x = 71,293,704,910.39/290,801.04
  6. Step 6: Final answer
    x = 245,163.17

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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.