Home / 515,268.81-772,954.25-178,261.83

Finding the Fourth Proportional to 515,268.81, 772,954.25 and 178,261.83

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Solution

The fourth proportional to 515,268.81, 772,954.25 and 178,261.83 is: 267,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,268.81 : 772,954.25 = 178,261.83 : x
  2. Step 2: Convert to fraction form
    515,268.81/772,954.25 = 178,261.83/x
  3. Step 3: Cross multiply
    515,268.81x = 772,954.25 × 178,261.83
  4. Step 4: Simplify right side
    515,268.81x = 137,788,238,219.97
  5. Step 5: Solve for x
    x = 137,788,238,219.97/515,268.81
  6. Step 6: Final answer
    x = 267,410.40

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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.