Home / 515,568.36-773,168.04-178,518.52

Finding the Fourth Proportional to 515,568.36, 773,168.04 and 178,518.52

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Solution

The fourth proportional to 515,568.36, 773,168.04 and 178,518.52 is: 267,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,568.36 : 773,168.04 = 178,518.52 : x
  2. Step 2: Convert to fraction form
    515,568.36/773,168.04 = 178,518.52/x
  3. Step 3: Cross multiply
    515,568.36x = 773,168.04 × 178,518.52
  4. Step 4: Simplify right side
    515,568.36x = 138,024,812,279.18
  5. Step 5: Solve for x
    x = 138,024,812,279.18/515,568.36
  6. Step 6: Final answer
    x = 267,713.89

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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.