Home / 229,449.07-343,784.94-140,516.74

Finding the Fourth Proportional to 229,449.07, 343,784.94 and 140,516.74

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Solution

The fourth proportional to 229,449.07, 343,784.94 and 140,516.74 is: 210,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,449.07 : 343,784.94 = 140,516.74 : x
  2. Step 2: Convert to fraction form
    229,449.07/343,784.94 = 140,516.74/x
  3. Step 3: Cross multiply
    229,449.07x = 343,784.94 × 140,516.74
  4. Step 4: Simplify right side
    229,449.07x = 48,307,539,029.90
  5. Step 5: Solve for x
    x = 48,307,539,029.90/229,449.07
  6. Step 6: Final answer
    x = 210,537.09

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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.