Home / 137,276.03-205,832.66-42,478.14

Finding the Fourth Proportional to 137,276.03, 205,832.66 and 42,478.14

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Solution

The fourth proportional to 137,276.03, 205,832.66 and 42,478.14 is: 63,692.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,276.03 : 205,832.66 = 42,478.14 : x
  2. Step 2: Convert to fraction form
    137,276.03/205,832.66 = 42,478.14/x
  3. Step 3: Cross multiply
    137,276.03x = 205,832.66 × 42,478.14
  4. Step 4: Simplify right side
    137,276.03x = 8,743,388,335.66
  5. Step 5: Solve for x
    x = 8,743,388,335.66/137,276.03
  6. Step 6: Final answer
    x = 63,692.03

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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.