Home / 290,940.58-401,507.04-163,623.16

Finding the Fourth Proportional to 290,940.58, 401,507.04 and 163,623.16

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Solution

The fourth proportional to 290,940.58, 401,507.04 and 163,623.16 is: 225,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,940.58 : 401,507.04 = 163,623.16 : x
  2. Step 2: Convert to fraction form
    290,940.58/401,507.04 = 163,623.16/x
  3. Step 3: Cross multiply
    290,940.58x = 401,507.04 × 163,623.16
  4. Step 4: Simplify right side
    290,940.58x = 65,695,850,647.05
  5. Step 5: Solve for x
    x = 65,695,850,647.05/290,940.58
  6. Step 6: Final answer
    x = 225,805.04

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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.