Home / 123,949.26-185,936.13-39,688.20

Finding the Fourth Proportional to 123,949.26, 185,936.13 and 39,688.20

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Solution

The fourth proportional to 123,949.26, 185,936.13 and 39,688.20 is: 59,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,949.26 : 185,936.13 = 39,688.20 : x
  2. Step 2: Convert to fraction form
    123,949.26/185,936.13 = 39,688.20/x
  3. Step 3: Cross multiply
    123,949.26x = 185,936.13 × 39,688.20
  4. Step 4: Simplify right side
    123,949.26x = 7,379,470,314.67
  5. Step 5: Solve for x
    x = 7,379,470,314.67/123,949.26
  6. Step 6: Final answer
    x = 59,536.22

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1.5x scale

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.