Home / 140,317.67-210,451.21-40,453.32

Finding the Fourth Proportional to 140,317.67, 210,451.21 and 40,453.32

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Solution

The fourth proportional to 140,317.67, 210,451.21 and 40,453.32 is: 60,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,317.67 : 210,451.21 = 40,453.32 : x
  2. Step 2: Convert to fraction form
    140,317.67/210,451.21 = 40,453.32/x
  3. Step 3: Cross multiply
    140,317.67x = 210,451.21 × 40,453.32
  4. Step 4: Simplify right side
    140,317.67x = 8,513,451,058.13
  5. Step 5: Solve for x
    x = 8,513,451,058.13/140,317.67
  6. Step 6: Final answer
    x = 60,672.70

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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.