Home / 179,075.80-268,613.70-132,419.80

Finding the Fourth Proportional to 179,075.80, 268,613.70 and 132,419.80

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Solution

The fourth proportional to 179,075.80, 268,613.70 and 132,419.80 is: 198,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,075.80 : 268,613.70 = 132,419.80 : x
  2. Step 2: Convert to fraction form
    179,075.80/268,613.70 = 132,419.80/x
  3. Step 3: Cross multiply
    179,075.80x = 268,613.70 × 132,419.80
  4. Step 4: Simplify right side
    179,075.80x = 35,569,772,431.26
  5. Step 5: Solve for x
    x = 35,569,772,431.26/179,075.80
  6. Step 6: Final answer
    x = 198,629.70

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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.