Home / 187,969.16-259,340.75-115,297.38

Finding the Fourth Proportional to 187,969.16, 259,340.75 and 115,297.38

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Solution

The fourth proportional to 187,969.16, 259,340.75 and 115,297.38 is: 159,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,969.16 : 259,340.75 = 115,297.38 : x
  2. Step 2: Convert to fraction form
    187,969.16/259,340.75 = 115,297.38/x
  3. Step 3: Cross multiply
    187,969.16x = 259,340.75 × 115,297.38
  4. Step 4: Simplify right side
    187,969.16x = 29,901,309,002.24
  5. Step 5: Solve for x
    x = 29,901,309,002.24/187,969.16
  6. Step 6: Final answer
    x = 159,075.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.