Home / 137,037.22-205,577.99-42,245.22

Finding the Fourth Proportional to 137,037.22, 205,577.99 and 42,245.22

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Solution

The fourth proportional to 137,037.22, 205,577.99 and 42,245.22 is: 63,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,037.22 : 205,577.99 = 42,245.22 : x
  2. Step 2: Convert to fraction form
    137,037.22/205,577.99 = 42,245.22/x
  3. Step 3: Cross multiply
    137,037.22x = 205,577.99 × 42,245.22
  4. Step 4: Simplify right side
    137,037.22x = 8,684,687,203.48
  5. Step 5: Solve for x
    x = 8,684,687,203.48/137,037.22
  6. Step 6: Final answer
    x = 63,374.66

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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.