Home / 439,566.08-659,312.66-140,034.56

Finding the Fourth Proportional to 439,566.08, 659,312.66 and 140,034.56

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Solution

The fourth proportional to 439,566.08, 659,312.66 and 140,034.56 is: 210,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,566.08 : 659,312.66 = 140,034.56 : x
  2. Step 2: Convert to fraction form
    439,566.08/659,312.66 = 140,034.56/x
  3. Step 3: Cross multiply
    439,566.08x = 659,312.66 × 140,034.56
  4. Step 4: Simplify right side
    439,566.08x = 92,326,558,245.53
  5. Step 5: Solve for x
    x = 92,326,558,245.53/439,566.08
  6. Step 6: Final answer
    x = 210,040.22

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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.