Home / 345,573.12-518,367.78-92,853.93

Finding the Fourth Proportional to 345,573.12, 518,367.78 and 92,853.93

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Solution

The fourth proportional to 345,573.12, 518,367.78 and 92,853.93 is: 139,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,573.12 : 518,367.78 = 92,853.93 : x
  2. Step 2: Convert to fraction form
    345,573.12/518,367.78 = 92,853.93/x
  3. Step 3: Cross multiply
    345,573.12x = 518,367.78 × 92,853.93
  4. Step 4: Simplify right side
    345,573.12x = 48,132,485,558.38
  5. Step 5: Solve for x
    x = 48,132,485,558.38/345,573.12
  6. Step 6: Final answer
    x = 139,283.07

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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.