Home / 290,937.04-401,457.85-161,845.01

Finding the Fourth Proportional to 290,937.04, 401,457.85 and 161,845.01

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Solution

The fourth proportional to 290,937.04, 401,457.85 and 161,845.01 is: 223,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,937.04 : 401,457.85 = 161,845.01 : x
  2. Step 2: Convert to fraction form
    290,937.04/401,457.85 = 161,845.01/x
  3. Step 3: Cross multiply
    290,937.04x = 401,457.85 × 161,845.01
  4. Step 4: Simplify right side
    290,937.04x = 64,973,947,999.01
  5. Step 5: Solve for x
    x = 64,973,947,999.01/290,937.04
  6. Step 6: Final answer
    x = 223,326.49

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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.