Home / 345,263.50-517,858.30-92,569.33

Finding the Fourth Proportional to 345,263.50, 517,858.30 and 92,569.33

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Solution

The fourth proportional to 345,263.50, 517,858.30 and 92,569.33 is: 138,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,263.50 : 517,858.30 = 92,569.33 : x
  2. Step 2: Convert to fraction form
    345,263.50/517,858.30 = 92,569.33/x
  3. Step 3: Cross multiply
    345,263.50x = 517,858.30 × 92,569.33
  4. Step 4: Simplify right side
    345,263.50x = 47,937,795,865.94
  5. Step 5: Solve for x
    x = 47,937,795,865.94/345,263.50
  6. Step 6: Final answer
    x = 138,844.09

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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.