Home / 314,820.64-472,083.30-115,001.28

Finding the Fourth Proportional to 314,820.64, 472,083.30 and 115,001.28

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Solution

The fourth proportional to 314,820.64, 472,083.30 and 115,001.28 is: 172,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,820.64 : 472,083.30 = 115,001.28 : x
  2. Step 2: Convert to fraction form
    314,820.64/472,083.30 = 115,001.28/x
  3. Step 3: Cross multiply
    314,820.64x = 472,083.30 × 115,001.28
  4. Step 4: Simplify right side
    314,820.64x = 54,290,183,766.62
  5. Step 5: Solve for x
    x = 54,290,183,766.62/314,820.64
  6. Step 6: Final answer
    x = 172,447.98

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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.