Home / 118,715.56-178,075.62-43,797.14

Finding the Fourth Proportional to 118,715.56, 178,075.62 and 43,797.14

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Solution

The fourth proportional to 118,715.56, 178,075.62 and 43,797.14 is: 65,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,715.56 : 178,075.62 = 43,797.14 : x
  2. Step 2: Convert to fraction form
    118,715.56/178,075.62 = 43,797.14/x
  3. Step 3: Cross multiply
    118,715.56x = 178,075.62 × 43,797.14
  4. Step 4: Simplify right side
    118,715.56x = 7,799,202,637.13
  5. Step 5: Solve for x
    x = 7,799,202,637.13/118,715.56
  6. Step 6: Final answer
    x = 65,696.55

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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.