Home / 314,844.48-472,141.44-115,119.36

Finding the Fourth Proportional to 314,844.48, 472,141.44 and 115,119.36

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Solution

The fourth proportional to 314,844.48, 472,141.44 and 115,119.36 is: 172,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,844.48 : 472,141.44 = 115,119.36 : x
  2. Step 2: Convert to fraction form
    314,844.48/472,141.44 = 115,119.36/x
  3. Step 3: Cross multiply
    314,844.48x = 472,141.44 × 115,119.36
  4. Step 4: Simplify right side
    314,844.48x = 54,352,620,402.28
  5. Step 5: Solve for x
    x = 54,352,620,402.28/314,844.48
  6. Step 6: Final answer
    x = 172,633.23

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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.