Home / 243,949.87-336,686.04-140,564.28

Finding the Fourth Proportional to 243,949.87, 336,686.04 and 140,564.28

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Solution

The fourth proportional to 243,949.87, 336,686.04 and 140,564.28 is: 193,998.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,949.87 : 336,686.04 = 140,564.28 : x
  2. Step 2: Convert to fraction form
    243,949.87/336,686.04 = 140,564.28/x
  3. Step 3: Cross multiply
    243,949.87x = 336,686.04 × 140,564.28
  4. Step 4: Simplify right side
    243,949.87x = 47,326,029,115.22
  5. Step 5: Solve for x
    x = 47,326,029,115.22/243,949.87
  6. Step 6: Final answer
    x = 193,998.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.