Home / 290,945.85-401,498.96-168,443.39

Finding the Fourth Proportional to 290,945.85, 401,498.96 and 168,443.39

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Solution

The fourth proportional to 290,945.85, 401,498.96 and 168,443.39 is: 232,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,945.85 : 401,498.96 = 168,443.39 : x
  2. Step 2: Convert to fraction form
    290,945.85/401,498.96 = 168,443.39/x
  3. Step 3: Cross multiply
    290,945.85x = 401,498.96 × 168,443.39
  4. Step 4: Simplify right side
    290,945.85x = 67,629,843,054.16
  5. Step 5: Solve for x
    x = 67,629,843,054.16/290,945.85
  6. Step 6: Final answer
    x = 232,448.22

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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.