Home / 177,075.20-265,611.68-71,893.12

Finding the Fourth Proportional to 177,075.20, 265,611.68 and 71,893.12

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Solution

The fourth proportional to 177,075.20, 265,611.68 and 71,893.12 is: 107,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,075.20 : 265,611.68 = 71,893.12 : x
  2. Step 2: Convert to fraction form
    177,075.20/265,611.68 = 71,893.12/x
  3. Step 3: Cross multiply
    177,075.20x = 265,611.68 × 71,893.12
  4. Step 4: Simplify right side
    177,075.20x = 19,095,652,383.64
  5. Step 5: Solve for x
    x = 19,095,652,383.64/177,075.20
  6. Step 6: Final answer
    x = 107,839.23

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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.