Home / 175,666.13-263,459.77-80,805.21

Finding the Fourth Proportional to 175,666.13, 263,459.77 and 80,805.21

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Solution

The fourth proportional to 175,666.13, 263,459.77 and 80,805.21 is: 121,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,666.13 : 263,459.77 = 80,805.21 : x
  2. Step 2: Convert to fraction form
    175,666.13/263,459.77 = 80,805.21/x
  3. Step 3: Cross multiply
    175,666.13x = 263,459.77 × 80,805.21
  4. Step 4: Simplify right side
    175,666.13x = 21,288,922,041.40
  5. Step 5: Solve for x
    x = 21,288,922,041.40/175,666.13
  6. Step 6: Final answer
    x = 121,189.68

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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.