Home / 243,968.36-336,646.13-136,511.33

Finding the Fourth Proportional to 243,968.36, 336,646.13 and 136,511.33

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Solution

The fourth proportional to 243,968.36, 336,646.13 and 136,511.33 is: 188,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,968.36 : 336,646.13 = 136,511.33 : x
  2. Step 2: Convert to fraction form
    243,968.36/336,646.13 = 136,511.33/x
  3. Step 3: Cross multiply
    243,968.36x = 336,646.13 × 136,511.33
  4. Step 4: Simplify right side
    243,968.36x = 45,956,008,579.87
  5. Step 5: Solve for x
    x = 45,956,008,579.87/243,968.36
  6. Step 6: Final answer
    x = 188,368.73

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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.