Home / 268,507.48-403,598.04-169,305.16

Finding the Fourth Proportional to 268,507.48, 403,598.04 and 169,305.16

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Solution

The fourth proportional to 268,507.48, 403,598.04 and 169,305.16 is: 254,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,507.48 : 403,598.04 = 169,305.16 : x
  2. Step 2: Convert to fraction form
    268,507.48/403,598.04 = 169,305.16/x
  3. Step 3: Cross multiply
    268,507.48x = 403,598.04 × 169,305.16
  4. Step 4: Simplify right side
    268,507.48x = 68,331,230,737.89
  5. Step 5: Solve for x
    x = 68,331,230,737.89/268,507.48
  6. Step 6: Final answer
    x = 254,485.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.