Home / 267,387.51-401,015.21-117,665.31

Finding the Fourth Proportional to 267,387.51, 401,015.21 and 117,665.31

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Solution

The fourth proportional to 267,387.51, 401,015.21 and 117,665.31 is: 176,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,387.51 : 401,015.21 = 117,665.31 : x
  2. Step 2: Convert to fraction form
    267,387.51/401,015.21 = 117,665.31/x
  3. Step 3: Cross multiply
    267,387.51x = 401,015.21 × 117,665.31
  4. Step 4: Simplify right side
    267,387.51x = 47,185,578,411.04
  5. Step 5: Solve for x
    x = 47,185,578,411.04/267,387.51
  6. Step 6: Final answer
    x = 176,468.89

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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.