Home / 238,961.10-358,220.10-105,770.36

Finding the Fourth Proportional to 238,961.10, 358,220.10 and 105,770.36

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Solution

The fourth proportional to 238,961.10, 358,220.10 and 105,770.36 is: 158,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,961.10 : 358,220.10 = 105,770.36 : x
  2. Step 2: Convert to fraction form
    238,961.10/358,220.10 = 105,770.36/x
  3. Step 3: Cross multiply
    238,961.10x = 358,220.10 × 105,770.36
  4. Step 4: Simplify right side
    238,961.10x = 37,889,068,936.24
  5. Step 5: Solve for x
    x = 37,889,068,936.24/238,961.10
  6. Step 6: Final answer
    x = 158,557.48

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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.