Home / 133,075.56-183,178.14-116,049.78

Finding the Fourth Proportional to 133,075.56, 183,178.14 and 116,049.78

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Solution

The fourth proportional to 133,075.56, 183,178.14 and 116,049.78 is: 159,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075.56 : 183,178.14 = 116,049.78 : x
  2. Step 2: Convert to fraction form
    133,075.56/183,178.14 = 116,049.78/x
  3. Step 3: Cross multiply
    133,075.56x = 183,178.14 × 116,049.78
  4. Step 4: Simplify right side
    133,075.56x = 21,257,782,847.81
  5. Step 5: Solve for x
    x = 21,257,782,847.81/133,075.56
  6. Step 6: Final answer
    x = 159,742.20

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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.