Home / 175,593.80-263,088.30-81,907.40

Finding the Fourth Proportional to 175,593.80, 263,088.30 and 81,907.40

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Solution

The fourth proportional to 175,593.80, 263,088.30 and 81,907.40 is: 122,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,593.80 : 263,088.30 = 81,907.40 : x
  2. Step 2: Convert to fraction form
    175,593.80/263,088.30 = 81,907.40/x
  3. Step 3: Cross multiply
    175,593.80x = 263,088.30 × 81,907.40
  4. Step 4: Simplify right side
    175,593.80x = 21,548,878,623.42
  5. Step 5: Solve for x
    x = 21,548,878,623.42/175,593.80
  6. Step 6: Final answer
    x = 122,720.04

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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.